22652004 has 12 divisors (see below), whose sum is σ = 52854704. Its totient is φ = 7550664.

The previous prime is 22651999. The next prime is 22652017. The reversal of 22652004 is 40025622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22652004² = 1026226570432032, which contains 22 as substring.

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, 943822 + ... + 943845.

Almost surely, 2^22652004 is an apocalyptic number.

It is an amenable number.

22652004 is an abundant number, since it is smaller than the sum of its proper divisors (30202700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22652004 is a wasteful number, since it uses less digits than its factorization.

22652004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887674 (or 1887672 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22652004 is about 4759.4121485747. The cubic root of 22652004 is about 282.9451212328.

Adding to 22652004 its reverse (40025622), we get a palindrome (62677626).

The spelling of 22652004 in words is "twenty-two million, six hundred fifty-two thousand, four".