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2,422

2,422 is a composite number, even.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Deficient Number Happy Number Sphenic Number Squarefree

Properties

Parity
Even
Digit count
4
Digit sum
10
Digital root
1
Palindrome
No
Divisor count
8
σ(n) — sum of divisors
4,176

Primality

Prime factorization: 2 × 7 × 173

Divisors & multiples

All divisors (8)
1 · 2 · 7 · 14 · 173 · 346 · 1211 · 2422
Aliquot sum (sum of proper divisors): 1,754
Factor pairs (a × b = 2,422)
1 × 2422
2 × 1211
7 × 346
14 × 173
First multiples
2,422 · 4,844 · 7,266 · 9,688 · 12,110 · 14,532 · 16,954 · 19,376 · 21,798 · 24,220

Representations

In words
two thousand four hundred twenty-two
Ordinal
2422nd
Roman numeral
MMCDXXII
Binary
100101110110
Octal
4566
Hexadecimal
976

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 2422, here are decompositions:

  • 5 + 2417 = 2422
  • 11 + 2411 = 2422
  • 23 + 2399 = 2422
  • 29 + 2393 = 2422
  • 41 + 2381 = 2422
  • 71 + 2351 = 2422
  • 83 + 2339 = 2422
  • 89 + 2333 = 2422

Showing the first eight; more decompositions exist.

Unicode codepoint
U+0976
Other letter (Lo)

UTF-8 encoding: E0 A5 B6 (3 bytes).

Hex color
#000976
RGB(0, 9, 118)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.9.118.

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000002422
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.