22627777272172 has 12 divisors (see below), whose sum is σ = 39883492315240. Its totient is φ = 11232493753536.

The previous prime is 22627777272161. The next prime is 22627777272173. The reversal of 22627777272172 is 27127277772622.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22627777272172.

It is not an unprimeable number, because it can be changed into a prime (22627777272173) 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, 20348720013 + ... + 20348721124.

Almost surely, 2^{22627777272172} is an apocalyptic number.

It is an amenable number.

22627777272172 is a deficient number, since it is larger than the sum of its proper divisors (17255715043068).

22627777272172 is a wasteful number, since it uses less digits than its factorization.

22627777272172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40697441280 (or 40697441278 counting only the distinct ones).

The product of its digits is 45177216, while the sum is 61.

The spelling of 22627777272172 in words is "twenty-two trillion, six hundred twenty-seven billion, seven hundred seventy-seven million, two hundred seventy-two thousand, one hundred seventy-two".