22252504 has 16 divisors (see below), whose sum is σ = 42741720. Its totient is φ = 10854720.

The previous prime is 22252493. The next prime is 22252511. The reversal of 22252504 is 40525222.

It is a happy number.

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, 33594 + ... + 34249.

Almost surely, 2^22252504 is an apocalyptic number.

It is an amenable number.

22252504 is a deficient number, since it is larger than the sum of its proper divisors (20489216).

22252504 is a wasteful number, since it uses less digits than its factorization.

22252504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67890 (or 67886 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22252504 is about 4717.2559820302. The cubic root of 22252504 is about 281.2718670076.

Adding to 22252504 its reverse (40525222), we get a palindrome (62777726).

The spelling of 22252504 in words is "twenty-two million, two hundred fifty-two thousand, five hundred four".