22489422732 has 432 divisors, whose sum is σ = 72765987840. Its totient is φ = 5717412864.

The previous prime is 22489422691. The next prime is 22489422799. The reversal of 22489422732 is 23722498422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 308074248 + ... + 308074320.

Almost surely, 2^22489422732 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 22489422732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36382993920).

22489422732 is an abundant number, since it is smaller than the sum of its proper divisors (50276565108).

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

22489422732 is a wasteful number, since it uses less digits than its factorization.

22489422732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 188 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 22489422732 in words is "twenty-two billion, four hundred eighty-nine million, four hundred twenty-two thousand, seven hundred thirty-two".