22717264320 has 224 divisors, whose sum is σ = 80320896000. Its totient is φ = 6044378112.

The previous prime is 22717264313. The next prime is 22717264327. The reversal of 22717264320 is 2346271722.

It is a happy number.

22717264320 is a `hidden beast` number, since 2 + 2 + 7 + 1 + 7 + 2 + 643 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22717264313) and next prime (22717264327).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22717264327) 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, 4204981 + ... + 4210379.

Almost surely, 2^22717264320 is an apocalyptic number.

22717264320 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 22717264320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40160448000).

22717264320 is an abundant number, since it is smaller than the sum of its proper divisors (57603631680).

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

22717264320 is a wasteful number, since it uses less digits than its factorization.

22717264320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 22717264320 in words is "twenty-two billion, seven hundred seventeen million, two hundred sixty-four thousand, three hundred twenty".