22738964136 has 32 divisors (see below), whose sum is σ = 64968469440. Its totient is φ = 6496846848.

The previous prime is 22738963993. The next prime is 22738964161. The reversal of 22738964136 is 63146983722.

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, 67675321 + ... + 67675656.

It is an arithmetic number, because the mean of its divisors is an integer number (2030264670).

Almost surely, 2^22738964136 is an apocalyptic number.

It is an amenable number.

22738964136 is an abundant number, since it is smaller than the sum of its proper divisors (42229505304).

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

22738964136 is a wasteful number, since it uses less digits than its factorization.

22738964136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135350993 (or 135350989 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The spelling of 22738964136 in words is "twenty-two billion, seven hundred thirty-eight million, nine hundred sixty-four thousand, one hundred thirty-six".