22664637412 has 12 divisors (see below), whose sum is σ = 39690460656. Its totient is φ = 11324505800.

The previous prime is 22664637403. The next prime is 22664637433. The reversal of 22664637412 is 21473646622.

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, 1946698 + ... + 1958305.

It is an arithmetic number, because the mean of its divisors is an integer number (3307538388).

Almost surely, 2^22664637412 is an apocalyptic number.

It is an amenable number.

22664637412 is a deficient number, since it is larger than the sum of its proper divisors (17025823244).

22664637412 is a wasteful number, since it uses less digits than its factorization.

22664637412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906458 (or 3906456 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The spelling of 22664637412 in words is "twenty-two billion, six hundred sixty-four million, six hundred thirty-seven thousand, four hundred twelve".