22957385472 has 180 divisors, whose sum is σ = 78234516976. Its totient is φ = 6559211520.

The previous prime is 22957385467. The next prime is 22957385489. The reversal of 22957385472 is 27458375922.

22957385472 is a `hidden beast` number, since 2 + 2 + 95 + 7 + 3 + 8 + 547 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66072 + ... + 224232.

Almost surely, 2^22957385472 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 22957385472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39117258488).

22957385472 is an abundant number, since it is smaller than the sum of its proper divisors (55277131504).

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

22957385472 is an equidigital number, since it uses as much as digits as its factorization.

22957385472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158196 (or 158173 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 22957385472 in words is "twenty-two billion, nine hundred fifty-seven million, three hundred eighty-five thousand, four hundred seventy-two".