22125524 has 12 divisors (see below), whose sum is σ = 38864448. Its totient is φ = 11021400.

The previous prime is 22125511. The next prime is 22125541. The reversal of 22125524 is 42552122.

It is a self number, because there is not a number n which added to its sum of digits gives 22125524.

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 3 ways as a sum of consecutive naturals, for example, 9122 + ... + 11289.

It is an arithmetic number, because the mean of its divisors is an integer number (3238704).

Almost surely, 2^22125524 is an apocalyptic number.

It is an amenable number.

22125524 is a deficient number, since it is larger than the sum of its proper divisors (16738924).

22125524 is a wasteful number, since it uses less digits than its factorization.

22125524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20686 (or 20684 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 22125524 is about 4703.7776307985. Note that the first 3 decimals coincide. The cubic root of 22125524 is about 280.7358366450.

Adding to 22125524 its reverse (42552122), we get a palindrome (64677646).

The spelling of 22125524 in words is "twenty-two million, one hundred twenty-five thousand, five hundred twenty-four".