22055756725 has 24 divisors (see below), whose sum is σ = 28189624320. Its totient is φ = 17108353920.

The previous prime is 22055756717. The next prime is 22055756741. The reversal of 22055756725 is 52765755022.

It is not a de Polignac number, because 22055756725 - 2³ = 22055756717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72396 + ... + 222154.

It is an arithmetic number, because the mean of its divisors is an integer number (1174567680).

Almost surely, 2^22055756725 is an apocalyptic number.

22055756725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22055756725 is a deficient number, since it is larger than the sum of its proper divisors (6133867595).

22055756725 is a wasteful number, since it uses less digits than its factorization.

22055756725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149949 (or 149944 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 46.

The spelling of 22055756725 in words is "twenty-two billion, fifty-five million, seven hundred fifty-six thousand, seven hundred twenty-five".