22489757488 has 160 divisors (see below), whose sum is σ = 50540193792. Its totient is φ = 9599385600.

The previous prime is 22489757461. The next prime is 22489757503. The reversal of 22489757488 is 88475798422.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60294070 + ... + 60294442.

Almost surely, 2^22489757488 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 22489757488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25270096896).

22489757488 is an abundant number, since it is smaller than the sum of its proper divisors (28050436304).

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

22489757488 is a wasteful number, since it uses less digits than its factorization.

22489757488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 717 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 64.

It can be divided in two parts, 22489 and 757488, that added together give a palindrome (779977).

The spelling of 22489757488 in words is "twenty-two billion, four hundred eighty-nine million, seven hundred fifty-seven thousand, four hundred eighty-eight".