22970928644 has 72 divisors (see below), whose sum is σ = 43224124608. Its totient is φ = 10657504000.

The previous prime is 22970928613. The next prime is 22970928647. The reversal of 22970928644 is 44682907922.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (22970928647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91517519 + ... + 91517769.

It is an arithmetic number, because the mean of its divisors is an integer number (600335064).

Almost surely, 2^22970928644 is an apocalyptic number.

It is an amenable number.

22970928644 is a deficient number, since it is larger than the sum of its proper divisors (20253195964).

22970928644 is a wasteful number, since it uses less digits than its factorization.

22970928644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 22970928644 in words is "twenty-two billion, nine hundred seventy million, nine hundred twenty-eight thousand, six hundred forty-four".