22736544664612 has 6 divisors (see below), whose sum is σ = 39788953163078. Its totient is φ = 11368272332304.

The previous prime is 22736544664609. The next prime is 22736544664621. The reversal of 22736544664612 is 21646644563722.

It can be written as a sum of positive squares in only one way, i.e., 22482068808676 + 254475855936 = 4741526^2 + 504456^2 .

It is a super-2 number, since 2×22736544664612² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842068083073 + ... + 2842068083080.

Almost surely, 2^{22736544664612} is an apocalyptic number.

It is an amenable number.

22736544664612 is a deficient number, since it is larger than the sum of its proper divisors (17052408498466).

22736544664612 is a wasteful number, since it uses less digits than its factorization.

22736544664612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684136166157 (or 5684136166155 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 58.

The spelling of 22736544664612 in words is "twenty-two trillion, seven hundred thirty-six billion, five hundred forty-four million, six hundred sixty-four thousand, six hundred twelve".