22747310725 has 12 divisors (see below), whose sum is σ = 29179309860. Its totient is φ = 17570336000.

The previous prime is 22747310711. The next prime is 22747310743. The reversal of 22747310725 is 52701374722.

It can be written as a sum of positive squares in 6 ways, for example, as 4679380836 + 18067929889 = 68406^2 + 134417^2 .

It is not a de Polignac number, because 22747310725 - 2²⁵ = 22713756293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15687076 + ... + 15688525.

It is an arithmetic number, because the mean of its divisors is an integer number (2431609155).

Almost surely, 2^22747310725 is an apocalyptic number.

22747310725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22747310725 is a deficient number, since it is larger than the sum of its proper divisors (6431999135).

22747310725 is a wasteful number, since it uses less digits than its factorization.

22747310725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31375640 (or 31375635 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 22747310725 in words is "twenty-two billion, seven hundred forty-seven million, three hundred ten thousand, seven hundred twenty-five".