22913899488 has 180 divisors, whose sum is σ = 69640678800. Its totient is φ = 7390776960.

The previous prime is 22913899447. The next prime is 22913899511. The reversal of 22913899488 is 88499831922.

It is a happy number.

22913899488 is a `hidden beast` number, since 2 + 2 + 91 + 389 + 94 + 88 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2486313 + ... + 2495511.

It is an arithmetic number, because the mean of its divisors is an integer number (386892660).

Almost surely, 2^22913899488 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 22913899488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34820339400).

22913899488 is an abundant number, since it is smaller than the sum of its proper divisors (46726779312).

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

22913899488 is an equidigital number, since it uses as much as digits as its factorization.

22913899488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283 (or 9235 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The spelling of 22913899488 in words is "twenty-two billion, nine hundred thirteen million, eight hundred ninety-nine thousand, four hundred eighty-eight".