22667136725 has 12 divisors (see below), whose sum is σ = 28637576676. Its totient is φ = 17791562880.

The previous prime is 22667136607. The next prime is 22667136731. The reversal of 22667136725 is 52763176622.

It can be written as a sum of positive squares in 6 ways, for example, as 417834481 + 22249302244 = 20441^2 + 149162^2 .

It is not a de Polignac number, because 22667136725 - 2¹² = 22667132629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22667136725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8552312 + ... + 8554961.

It is an arithmetic number, because the mean of its divisors is an integer number (2386464723).

Almost surely, 2^22667136725 is an apocalyptic number.

22667136725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22667136725 is a deficient number, since it is larger than the sum of its proper divisors (5970439951).

22667136725 is a wasteful number, since it uses less digits than its factorization.

22667136725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17107336 (or 17107331 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The spelling of 22667136725 in words is "twenty-two billion, six hundred sixty-seven million, one hundred thirty-six thousand, seven hundred twenty-five".