22326904512 has 252 divisors, whose sum is σ = 70591542840. Its totient is φ = 6741841920.

The previous prime is 22326904507. The next prime is 22326904529. The reversal of 22326904512 is 21540962322.

22326904512 is a `hidden beast` number, since 22 + 32 + 6 + 90 + 4 + 512 = 666.

It is a super-3 number, since 3×22326904512³ (a number of 32 digits) contains 333 as substring.

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 35 ways as a sum of consecutive naturals, for example, 39238564 + ... + 39239132.

It is an arithmetic number, because the mean of its divisors is an integer number (280125170).

Almost surely, 2^22326904512 is an apocalyptic number.

22326904512 is a gapful number since it is divisible by the number (22) 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 22326904512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35295771420).

22326904512 is an abundant number, since it is smaller than the sum of its proper divisors (48264638328).

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

22326904512 is a wasteful number, since it uses less digits than its factorization.

22326904512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22326904512 in words is "twenty-two billion, three hundred twenty-six million, nine hundred four thousand, five hundred twelve".