22651526564 has 12 divisors (see below), whose sum is σ = 39641503104. Its totient is φ = 11325382824.

The previous prime is 22651526551. The next prime is 22651526587. The reversal of 22651526564 is 46562515622.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71129 + ... + 224415.

It is an arithmetic number, because the mean of its divisors is an integer number (3303458592).

Almost surely, 2^22651526564 is an apocalyptic number.

It is an amenable number.

22651526564 is a deficient number, since it is larger than the sum of its proper divisors (16989976540).

22651526564 is a wasteful number, since it uses less digits than its factorization.

22651526564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190234 (or 190232 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 22651526564 in words is "twenty-two billion, six hundred fifty-one million, five hundred twenty-six thousand, five hundred sixty-four".