22861934464 has 64 divisors (see below), whose sum is σ = 45987932160. Its totient is φ = 11320210944.

The previous prime is 22861934453. The next prime is 22861934497. The reversal of 22861934464 is 46443916822.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12792579 + ... + 12794365.

It is an arithmetic number, because the mean of its divisors is an integer number (718561440).

Almost surely, 2^22861934464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22861934464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22993966080).

22861934464 is an abundant number, since it is smaller than the sum of its proper divisors (23125997696).

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

22861934464 is a wasteful number, since it uses less digits than its factorization.

22861934464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2703 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The spelling of 22861934464 in words is "twenty-two billion, eight hundred sixty-one million, nine hundred thirty-four thousand, four hundred sixty-four".