22727656136 has 16 divisors (see below), whose sum is σ = 42617545740. Its totient is φ = 11362977280.

The previous prime is 22727656123. The next prime is 22727656139. The reversal of 22727656136 is 63165672722.

It can be written as a sum of positive squares in 2 ways, for example, as 22202788036 + 524868100 = 149006^2 + 22910^2 .

It is not an unprimeable number, because it can be changed into a prime (22727656139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15380 + ... + 213756.

Almost surely, 2^22727656136 is an apocalyptic number.

It is an amenable number.

22727656136 is a deficient number, since it is larger than the sum of its proper divisors (19889889604).

22727656136 is a wasteful number, since it uses less digits than its factorization.

22727656136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212704 (or 212700 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The spelling of 22727656136 in words is "twenty-two billion, seven hundred twenty-seven million, six hundred fifty-six thousand, one hundred thirty-six".