22959866723904 has 672 divisors, whose sum is σ = 75612291955200. Its totient is φ = 6599678238720.

The previous prime is 22959866723863. The next prime is 22959866723999. The reversal of 22959866723904 is 40932766895922.

It is a happy number.

22959866723904 is a `hidden beast` number, since 2 + 2 + 9 + 598 + 6 + 6 + 7 + 23 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1334169252 + ... + 1334186460.

It is an arithmetic number, because the mean of its divisors is an integer number (112518291600).

Almost surely, 2^{22959866723904} is an apocalyptic number.

22959866723904 is a gapful number since it is divisible by the number (24) 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 22959866723904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37806145977600).

22959866723904 is an abundant number, since it is smaller than the sum of its proper divisors (52652425231296).

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

22959866723904 is a wasteful number, since it uses less digits than its factorization.

22959866723904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17423 (or 17410 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 22959866723904 in words is "twenty-two trillion, nine hundred fifty-nine billion, eight hundred sixty-six million, seven hundred twenty-three thousand, nine hundred four".