22897505631 has 96 divisors (see below), whose sum is σ = 41602429440. Its totient is φ = 10877068800.

The previous prime is 22897505599. The next prime is 22897505641. The reversal of 22897505631 is 13650579822.

It is not a de Polignac number, because 22897505631 - 2⁵ = 22897505599 is a prime.

It is a super-2 number, since 2×22897505631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22897505641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4252561 + ... + 4257941.

It is an arithmetic number, because the mean of its divisors is an integer number (433358640).

Almost surely, 2^22897505631 is an apocalyptic number.

22897505631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22897505631 is a deficient number, since it is larger than the sum of its proper divisors (18704923809).

22897505631 is a wasteful number, since it uses less digits than its factorization.

22897505631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5524 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 22897505631 in words is "twenty-two billion, eight hundred ninety-seven million, five hundred five thousand, six hundred thirty-one".