22747709952 has 320 divisors, whose sum is σ = 73891699200. Its totient is φ = 6852464640.

The previous prime is 22747709947. The next prime is 22747709981. The reversal of 22747709952 is 25990774722.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34518199 + ... + 34518857.

It is an arithmetic number, because the mean of its divisors is an integer number (230911560).

Almost surely, 2^22747709952 is an apocalyptic number.

22747709952 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 22747709952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36945849600).

22747709952 is an abundant number, since it is smaller than the sum of its proper divisors (51143989248).

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

22747709952 is a wasteful number, since it uses less digits than its factorization.

22747709952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 22747709952 in words is "twenty-two billion, seven hundred forty-seven million, seven hundred nine thousand, nine hundred fifty-two".