22752428 has 12 divisors (see below), whose sum is σ = 41548080. Its totient is φ = 10881552.

The previous prime is 22752427. The next prime is 22752469. The reversal of 22752428 is 82425722.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22752394 and 22752403.

It is not an unprimeable number, because it can be changed into a prime (22752427) 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 3 ways as a sum of consecutive naturals, for example, 123563 + ... + 123746.

It is an arithmetic number, because the mean of its divisors is an integer number (3462340).

Almost surely, 2^22752428 is an apocalyptic number.

It is an amenable number.

22752428 is a deficient number, since it is larger than the sum of its proper divisors (18795652).

22752428 is a wasteful number, since it uses less digits than its factorization.

22752428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247336 (or 247334 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 22752428 is about 4769.9505238524. The cubic root of 22752428 is about 283.3626353394.

The spelling of 22752428 in words is "twenty-two million, seven hundred fifty-two thousand, four hundred twenty-eight".