22522525 has 12 divisors (see below), whose sum is σ = 28104352. Its totient is φ = 17904240.

The previous prime is 22522517. The next prime is 22522553. The reversal of 22522525 is 52522522.

It is not a de Polignac number, because 22522525 - 2³ = 22522517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 22522525.

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, 1312 + ... + 6838.

Almost surely, 2^22522525 is an apocalyptic number.

22522525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22522525 is a deficient number, since it is larger than the sum of its proper divisors (5581827).

22522525 is a wasteful number, since it uses less digits than its factorization.

22522525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 5695 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 22522525 is about 4745.7902397809. The cubic root of 22522525 is about 282.4049854066.

The spelling of 22522525 in words is "twenty-two million, five hundred twenty-two thousand, five hundred twenty-five".