22504052 has 6 divisors (see below), whose sum is σ = 39382098. Its totient is φ = 11252024.

The previous prime is 22504049. The next prime is 22504061. The reversal of 22504052 is 25040522.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 9572836 = 3596^2 + 3094^2 .

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 as a sum of consecutive naturals, namely, 2813003 + ... + 2813010.

It is an arithmetic number, because the mean of its divisors is an integer number (6563683).

Almost surely, 2^22504052 is an apocalyptic number.

It is an amenable number.

22504052 is a deficient number, since it is larger than the sum of its proper divisors (16878046).

22504052 is a wasteful number, since it uses less digits than its factorization.

22504052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626017 (or 5626015 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22504052 is about 4743.8435893271. The cubic root of 22504052 is about 282.3277546604.

Adding to 22504052 its reverse (25040522), we get a palindrome (47544574).

The spelling of 22504052 in words is "twenty-two million, five hundred four thousand, fifty-two".