22765145503402 has 16 divisors (see below), whose sum is σ = 34817355190440. Its totient is φ = 11159673284032.

The previous prime is 22765145503391. The next prime is 22765145503403. The reversal of 22765145503402 is 20430554156722.

It can be written as a sum of positive squares in 4 ways, for example, as 22444654781241 + 320490722161 = 4737579^2 + 566119^2 .

It is not an unprimeable number, because it can be changed into a prime (22765145503403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78064777 + ... + 78355852.

Almost surely, 2^{22765145503402} is an apocalyptic number.

22765145503402 is a deficient number, since it is larger than the sum of its proper divisors (12052209687038).

22765145503402 is a wasteful number, since it uses less digits than its factorization.

22765145503402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156422057.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 22765145503402 in words is "twenty-two trillion, seven hundred sixty-five billion, one hundred forty-five million, five hundred three thousand, four hundred two".