22725726657607 has 32 divisors (see below), whose sum is σ = 23768076165120. Its totient is φ = 21704062786560.

The previous prime is 22725726657563. The next prime is 22725726657629. The reversal of 22725726657607 is 70675662752722.

It is a cyclic number.

It is not a de Polignac number, because 22725726657607 - 2⁷ = 22725726657479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725726657307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2412748944 + ... + 2412758362.

It is an arithmetic number, because the mean of its divisors is an integer number (742752380160).

Almost surely, 2^{22725726657607} is an apocalyptic number.

22725726657607 is a deficient number, since it is larger than the sum of its proper divisors (1042349507513).

22725726657607 is a wasteful number, since it uses less digits than its factorization.

22725726657607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11743.

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 22725726657607 in words is "twenty-two trillion, seven hundred twenty-five billion, seven hundred twenty-six million, six hundred fifty-seven thousand, six hundred seven".