22971724250 has 16 divisors (see below), whose sum is σ = 43003068264. Its totient is φ = 9188689600.

The previous prime is 22971724231. The next prime is 22971724289. The reversal of 22971724250 is 5242717922.

It can be written as a sum of positive squares in 4 ways, for example, as 3439705201 + 19532019049 = 58649^2 + 139757^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22971724198 and 22971724207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45943199 + ... + 45943698.

Almost surely, 2^22971724250 is an apocalyptic number.

22971724250 is a deficient number, since it is larger than the sum of its proper divisors (20031344014).

22971724250 is an equidigital number, since it uses as much as digits as its factorization.

22971724250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91886914 (or 91886904 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 22971724250 in words is "twenty-two billion, nine hundred seventy-one million, seven hundred twenty-four thousand, two hundred fifty".