22947917685 has 32 divisors (see below), whose sum is σ = 45776627712. Its totient is φ = 9536796480.

The previous prime is 22947917683. The next prime is 22947917723. The reversal of 22947917685 is 58671974922.

It is not a de Polignac number, because 22947917685 - 2¹ = 22947917683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22947917683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9933009 + ... + 9935318.

It is an arithmetic number, because the mean of its divisors is an integer number (1430519616).

Almost surely, 2^22947917685 is an apocalyptic number.

It is an amenable number.

22947917685 is a deficient number, since it is larger than the sum of its proper divisors (22828710027).

22947917685 is a wasteful number, since it uses less digits than its factorization.

22947917685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868353.

The product of its digits is 15240960, while the sum is 60.

The spelling of 22947917685 in words is "twenty-two billion, nine hundred forty-seven million, nine hundred seventeen thousand, six hundred eighty-five".