22613904432 has 160 divisors (see below), whose sum is σ = 76741516800. Its totient is φ = 6238294272.

The previous prime is 22613904419. The next prime is 22613904437. The reversal of 22613904432 is 23440931622.

22613904432 is a `hidden beast` number, since 2 + 2 + 613 + 9 + 0 + 4 + 4 + 32 = 666.

It is a super-2 number, since 2×22613904432² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22613904437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41238 + ... + 216629.

It is an arithmetic number, because the mean of its divisors is an integer number (479634480).

Almost surely, 2^22613904432 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 22613904432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38370758400).

22613904432 is an abundant number, since it is smaller than the sum of its proper divisors (54127612368).

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

22613904432 is a wasteful number, since it uses less digits than its factorization.

22613904432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257920 (or 257908 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 22613904432 in words is "twenty-two billion, six hundred thirteen million, nine hundred four thousand, four hundred thirty-two".