22921193832 has 16 divisors (see below), whose sum is σ = 57302984640. Its totient is φ = 7640397936.

The previous prime is 22921193803. The next prime is 22921193839. The reversal of 22921193832 is 23839112922.

It is a happy number.

It is a super-2 number, since 2×22921193832² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22921193839) 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 3 ways as a sum of consecutive naturals, for example, 477524848 + ... + 477524895.

It is an arithmetic number, because the mean of its divisors is an integer number (3581436540).

Almost surely, 2^22921193832 is an apocalyptic number.

It is an amenable number.

22921193832 is an abundant number, since it is smaller than the sum of its proper divisors (34381790808).

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

22921193832 is a wasteful number, since it uses less digits than its factorization.

22921193832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955049752 (or 955049748 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 22921193832 in words is "twenty-two billion, nine hundred twenty-one million, one hundred ninety-three thousand, eight hundred thirty-two".