22725607 has 2 divisors, whose sum is σ = 22725608. Its totient is φ = 22725606.

The previous prime is 22725569. The next prime is 22725643. The reversal of 22725607 is 70652722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22725607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22725407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11362803 + 11362804.

It is an arithmetic number, because the mean of its divisors is an integer number (11362804).

Almost surely, 2^22725607 is an apocalyptic number.

22725607 is a deficient number, since it is larger than the sum of its proper divisors (1).

22725607 is an equidigital number, since it uses as much as digits as its factorization.

22725607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 22725607 is about 4767.1382400765. The cubic root of 22725607 is about 283.2512471164.

It can be divided in two parts, 22725 and 607, that added together give a palindrome (23332).

The spelling of 22725607 in words is "twenty-two million, seven hundred twenty-five thousand, six hundred seven".