22291530912 has 192 divisors, whose sum is σ = 74532407040. Its totient is φ = 6349529088.

The previous prime is 22291530889. The next prime is 22291530917. The reversal of 22291530912 is 21903519222.

22291530912 is a `hidden beast` number, since 2 + 22 + 91 + 530 + 9 + 12 = 666.

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 (22291530917) 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, 2032708 + ... + 2043644.

It is an arithmetic number, because the mean of its divisors is an integer number (388189620).

Almost surely, 2^22291530912 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 22291530912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37266203520).

22291530912 is an abundant number, since it is smaller than the sum of its proper divisors (52240876128).

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

22291530912 is a wasteful number, since it uses less digits than its factorization.

22291530912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300 (or 11286 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 22291530912 in words is "twenty-two billion, two hundred ninety-one million, five hundred thirty thousand, nine hundred twelve".