22947928884 has 30 divisors (see below), whose sum is σ = 59990419874. Its totient is φ = 7649309520.

The previous prime is 22947928859. The next prime is 22947928891. The reversal of 22947928884 is 48882974922.

22947928884 is a `hidden beast` number, since 2 + 2 + 9 + 479 + 2 + 88 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15314062500 + 7633866384 = 123750^2 + 87372^2 .

It is a super-3 number, since 3×22947928884³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35413147 + ... + 35413794.

Almost surely, 2^22947928884 is an apocalyptic number.

It is an amenable number.

22947928884 is an abundant number, since it is smaller than the sum of its proper divisors (37042490990).

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

22947928884 is a wasteful number, since it uses less digits than its factorization.

22947928884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70826957 (or 70826946 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The spelling of 22947928884 in words is "twenty-two billion, nine hundred forty-seven million, nine hundred twenty-eight thousand, eight hundred eighty-four".