22922725 has 12 divisors (see below), whose sum is σ = 32485024. Its totient is φ = 15718320.

The previous prime is 22922707. The next prime is 22922737. The reversal of 22922725 is 52722922.

It is not a de Polignac number, because 22922725 - 2⁵ = 22922693 is a prime.

It is a Duffinian number.

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, 65319 + ... + 65668.

Almost surely, 2^22922725 is an apocalyptic number.

22922725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22922725 is a deficient number, since it is larger than the sum of its proper divisors (9562299).

22922725 is a wasteful number, since it uses less digits than its factorization.

22922725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131004 (or 130999 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22922725 is about 4787.7682692461. The cubic root of 22922725 is about 284.0678481354.

It can be divided in two parts, 229 and 22725, that multiplied together give a palindrome (5204025).

The spelling of 22922725 in words is "twenty-two million, nine hundred twenty-two thousand, seven hundred twenty-five".