22452525 has 96 divisors (see below), whose sum is σ = 45235200. Its totient is φ = 10886400.

The previous prime is 22452517. The next prime is 22452527. The reversal of 22452525 is 52525422.

It is not a de Polignac number, because 22452525 - 2³ = 22452517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452527) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 606807 + ... + 606843.

It is an arithmetic number, because the mean of its divisors is an integer number (471200).

Almost surely, 2^22452525 is an apocalyptic number.

22452525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22452525 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

22452525 is a wasteful number, since it uses less digits than its factorization.

22452525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 105 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22452525 is about 4738.4095432961. The cubic root of 22452525 is about 282.1121102454.

Adding to 22452525 its reverse (52525422), we get a palindrome (74977947).

The spelling of 22452525 in words is "twenty-two million, four hundred fifty-two thousand, five hundred twenty-five".