22402204 has 36 divisors (see below), whose sum is σ = 43808184. Its totient is φ = 9940000.

The previous prime is 22402169. The next prime is 22402217. The reversal of 22402204 is 40220422.

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 11 ways as a sum of consecutive naturals, for example, 221754 + ... + 221854.

It is an arithmetic number, because the mean of its divisors is an integer number (1216894).

Almost surely, 2^22402204 is an apocalyptic number.

It is an amenable number.

22402204 is a deficient number, since it is larger than the sum of its proper divisors (21405980).

22402204 is a wasteful number, since it uses less digits than its factorization.

22402204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22402204 is about 4733.0966607497. The cubic root of 22402204 is about 281.9011943642.

Adding to 22402204 its reverse (40220422), we get a palindrome (62622626).

It can be divided in two parts, 2240 and 2204, that added together give a palindrome (4444).

The spelling of 22402204 in words is "twenty-two million, four hundred two thousand, two hundred four".