22975722981504 has 192 divisors, whose sum is σ = 66417080708160. Its totient is φ = 7623642396672.

The previous prime is 22975722981499. The next prime is 22975722981509. The reversal of 22975722981504 is 40518922757922.

22975722981504 is a `hidden beast` number, since 2 + 2 + 9 + 7 + 572 + 2 + 9 + 8 + 1 + 50 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (22975722981499) and next prime (22975722981509).

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×22975722981504² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22975722981509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320437882 + ... + 320509574.

It is an arithmetic number, because the mean of its divisors is an integer number (345922295355).

Almost surely, 2^{22975722981504} is an apocalyptic number.

22975722981504 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 22975722981504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33208540354080).

22975722981504 is an abundant number, since it is smaller than the sum of its proper divisors (43441357726656).

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

22975722981504 is a wasteful number, since it uses less digits than its factorization.

22975722981504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72979 (or 72964 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 22975722981504 in words is "twenty-two trillion, nine hundred seventy-five billion, seven hundred twenty-two million, nine hundred eighty-one thousand, five hundred four".