22004462551 has 2 divisors, whose sum is σ = 22004462552. Its totient is φ = 22004462550.

The previous prime is 22004462509. The next prime is 22004462621. The reversal of 22004462551 is 15526440022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22004462551 - 2¹¹ = 22004460503 is a prime.

It is a super-2 number, since 2×22004462551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22004469551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002231275 + 11002231276.

It is an arithmetic number, because the mean of its divisors is an integer number (11002231276).

Almost surely, 2^22004462551 is an apocalyptic number.

22004462551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004462551 is an equidigital number, since it uses as much as digits as its factorization.

22004462551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 22004462551 in words is "twenty-two billion, four million, four hundred sixty-two thousand, five hundred fifty-one".