22091304960 has 624 divisors, whose sum is σ = 83291854464. Its totient is φ = 5605687296.

The previous prime is 22091304929. The next prime is 22091305037. The reversal of 22091304960 is 6940319022.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114462624 + ... + 114462816.

It is an arithmetic number, because the mean of its divisors is an integer number (133480536).

Almost surely, 2^22091304960 is an apocalyptic number.

22091304960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22091304960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41645927232).

22091304960 is an abundant number, since it is smaller than the sum of its proper divisors (61200549504).

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

22091304960 is an equidigital number, since it uses as much as digits as its factorization.

22091304960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 22091304960 in words is "twenty-two billion, ninety-one million, three hundred four thousand, nine hundred sixty".