22525207056 has 225 divisors, whose sum is σ = 71849628543. Its totient is φ = 6807810240.

The previous prime is 22525207039. The next prime is 22525207087. The reversal of 22525207056 is 65070252522.

It is a happy number.

The square root of 22525207056 is 150084.

It is a perfect power (a square), and thus also a powerful number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22525207056.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 59433075 + ... + 59433453.

Almost surely, 2^22525207056 is an apocalyptic number.

22525207056 is the 150084-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22525207056

22525207056 is an abundant number, since it is smaller than the sum of its proper divisors (49324421487).

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

22525207056 is an equidigital number, since it uses as much as digits as its factorization.

22525207056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

Multiplying 22525207056 by its sum of digits (36), we get a square (810907454016 = 900504²).

22525207056 divided by its sum of digits (36) gives a square (625700196 = 25014²).

Adding to 22525207056 its reverse (65070252522), we get a palindrome (87595459578).

The spelling of 22525207056 in words is "twenty-two billion, five hundred twenty-five million, two hundred seven thousand, fifty-six".