22947974812 has 48 divisors (see below), whose sum is σ = 49869998080. Its totient is φ = 9016660800.

The previous prime is 22947974789. The next prime is 22947974839. The reversal of 22947974812 is 21847974922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679239 + ... + 712222.

Almost surely, 2^22947974812 is an apocalyptic number.

It is an amenable number.

22947974812 is an abundant number, since it is smaller than the sum of its proper divisors (26922023268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22947974812 is a wasteful number, since it uses less digits than its factorization.

22947974812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391522 (or 1391520 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The spelling of 22947974812 in words is "twenty-two billion, nine hundred forty-seven million, nine hundred seventy-four thousand, eight hundred twelve".