22752525 has 12 divisors (see below), whose sum is σ = 37617632. Its totient is φ = 12134640.

The previous prime is 22752517. The next prime is 22752533. The reversal of 22752525 is 52525722.

It is an interprime number because it is at equal distance from previous prime (22752517) and next prime (22752533).

It is not a de Polignac number, because 22752525 - 2³ = 22752517 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

22752525 is a modest number, since divided by 2525 gives 2275 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22752492 and 22752501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151609 + ... + 151758.

Almost surely, 2^22752525 is an apocalyptic number.

22752525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22752525 is a deficient number, since it is larger than the sum of its proper divisors (14865107).

22752525 is a wasteful number, since it uses less digits than its factorization.

22752525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303380 (or 303375 counting only the distinct ones).

The product of its digits is 14000, while the sum is 30.

The square root of 22752525 is about 4769.9606916619. The cubic root of 22752525 is about 283.3630380237.

The spelling of 22752525 in words is "twenty-two million, seven hundred fifty-two thousand, five hundred twenty-five".