22631012608 has 18 divisors (see below), whose sum is σ = 45173623334. Its totient is φ = 11315506176.

The previous prime is 22631012603. The next prime is 22631012609. The reversal of 22631012608 is 80621013622.

It can be written as a sum of positive squares in only one way, i.e., 12875894784 + 9755117824 = 113472^2 + 98768^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22631012608.

It is not an unprimeable number, because it can be changed into a prime (22631012603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44200941 + ... + 44201452.

Almost surely, 2^22631012608 is an apocalyptic number.

It is an amenable number.

22631012608 is a deficient number, since it is larger than the sum of its proper divisors (22542610726).

22631012608 is an frugal number, since it uses more digits than its factorization.

22631012608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88402409 (or 88402395 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 22631012608 in words is "twenty-two billion, six hundred thirty-one million, twelve thousand, six hundred eight".