22677772652172 has 96 divisors (see below), whose sum is σ = 64140493347840. Its totient is φ = 6871908922560.

The previous prime is 22677772652039. The next prime is 22677772652173. The reversal of 22677772652172 is 27125627777622.

22677772652172 is a `hidden beast` number, since 2 + 26 + 77 + 77 + 265 + 217 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22677772652173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66020493 + ... + 66363099.

It is an arithmetic number, because the mean of its divisors is an integer number (668130139040).

Almost surely, 2^{22677772652172} is an apocalyptic number.

22677772652172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22677772652172 is an abundant number, since it is smaller than the sum of its proper divisors (41462720695668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22677772652172 is a wasteful number, since it uses less digits than its factorization.

22677772652172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398348 (or 398340 counting only the distinct ones).

The product of its digits is 96808320, while the sum is 63.

The spelling of 22677772652172 in words is "twenty-two trillion, six hundred seventy-seven billion, seven hundred seventy-two million, six hundred fifty-two thousand, one hundred seventy-two".