22504522752 has 198 divisors, whose sum is σ = 68985770958. Its totient is φ = 7041613824.

The previous prime is 22504522723. The next prime is 22504522763. The reversal of 22504522752 is 25722540522.

It can be written as a sum of positive squares in only one way, i.e., 21180727296 + 1323795456 = 145536^2 + 36384^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59378499 + ... + 59378877.

Almost surely, 2^22504522752 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 22504522752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34492885479).

22504522752 is an abundant number, since it is smaller than the sum of its proper divisors (46481248206).

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

22504522752 is an equidigital number, since it uses as much as digits as its factorization.

22504522752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The spelling of 22504522752 in words is "twenty-two billion, five hundred four million, five hundred twenty-two thousand, seven hundred fifty-two".