22239608832 has 672 divisors, whose sum is σ = 81657920700. Its totient is φ = 6019743744.

The previous prime is 22239608801. The next prime is 22239608837. The reversal of 22239608832 is 23880693222.

22239608832 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 9 + 608 + 8 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22239608837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1170505719 + ... + 1170505737.

Almost surely, 2^22239608832 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 22239608832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40828960350).

22239608832 is an abundant number, since it is smaller than the sum of its proper divisors (59418311868).

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

22239608832 is an frugal number, since it uses more digits than its factorization.

22239608832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 22239608832 in words is "twenty-two billion, two hundred thirty-nine million, six hundred eight thousand, eight hundred thirty-two".