22825725 has 48 divisors (see below), whose sum is σ = 41705664. Its totient is φ = 10944000.

The previous prime is 22825723. The next prime is 22825739. The reversal of 22825725 is 52752822.

It is not a de Polignac number, because 22825725 - 2¹ = 22825723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22825721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39690 + ... + 40260.

It is an arithmetic number, because the mean of its divisors is an integer number (868868).

Almost surely, 2^22825725 is an apocalyptic number.

22825725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22825725 is a deficient number, since it is larger than the sum of its proper divisors (18879939).

22825725 is a wasteful number, since it uses less digits than its factorization.

22825725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 633 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 22825725 is about 4777.6275493178. The cubic root of 22825725 is about 283.6665936360. Note that the first 3 decimals are identical.

The spelling of 22825725 in words is "twenty-two million, eight hundred twenty-five thousand, seven hundred twenty-five".