22552004 has 12 divisors (see below), whose sum is σ = 40739328. Its totient is φ = 10912200.

The previous prime is 22551961. The next prime is 22552037. The reversal of 22552004 is 40025522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90812 + ... + 91059.

It is an arithmetic number, because the mean of its divisors is an integer number (3394944).

Almost surely, 2^22552004 is an apocalyptic number.

It is an amenable number.

22552004 is a deficient number, since it is larger than the sum of its proper divisors (18187324).

22552004 is a wasteful number, since it uses less digits than its factorization.

22552004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181906 (or 181904 counting only the distinct ones).

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

The square root of 22552004 is about 4748.8950293726. The cubic root of 22552004 is about 282.5281419220.

Adding to 22552004 its reverse (40025522), we get a palindrome (62577526).

The spelling of 22552004 in words is "twenty-two million, five hundred fifty-two thousand, four".