22500624724 has 12 divisors (see below), whose sum is σ = 40646290048. Its totient is φ = 10887399000.

The previous prime is 22500624677. The next prime is 22500624743. The reversal of 22500624724 is 42742600522.

It is a super-2 number, since 2×22500624724² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22500624724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90728202 + ... + 90728449.

Almost surely, 2^22500624724 is an apocalyptic number.

It is an amenable number.

22500624724 is a deficient number, since it is larger than the sum of its proper divisors (18145665324).

22500624724 is a wasteful number, since it uses less digits than its factorization.

22500624724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181456686 (or 181456684 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 22500624724 in words is "twenty-two billion, five hundred million, six hundred twenty-four thousand, seven hundred twenty-four".