22764932872 has 32 divisors (see below), whose sum is σ = 47823145920. Its totient is φ = 10068027840.

The previous prime is 22764932867. The next prime is 22764932873. The reversal of 22764932872 is 27823946722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22764932873) 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, 3492588 + ... + 3499099.

It is an arithmetic number, because the mean of its divisors is an integer number (1494473310).

Almost surely, 2^22764932872 is an apocalyptic number.

22764932872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22764932872 is an abundant number, since it is smaller than the sum of its proper divisors (25058213048).

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

22764932872 is a wasteful number, since it uses less digits than its factorization.

22764932872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991741 (or 6991737 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The spelling of 22764932872 in words is "twenty-two billion, seven hundred sixty-four million, nine hundred thirty-two thousand, eight hundred seventy-two".