22752605 has 16 divisors (see below), whose sum is σ = 28374528. Its totient is φ = 17496000.

The previous prime is 22752601. The next prime is 22752619. The reversal of 22752605 is 50625722.

It is not a de Polignac number, because 22752605 - 2² = 22752601 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27650 + ... + 28460.

It is an arithmetic number, because the mean of its divisors is an integer number (1773408).

Almost surely, 2^22752605 is an apocalyptic number.

It is an amenable number.

22752605 is a deficient number, since it is larger than the sum of its proper divisors (5621923).

22752605 is a wasteful number, since it uses less digits than its factorization.

22752605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22752605 is about 4769.9690774679. The cubic root of 22752605 is about 283.3633701336.

The spelling of 22752605 in words is "twenty-two million, seven hundred fifty-two thousand, six hundred five".