22722204 has 12 divisors (see below), whose sum is σ = 53018504. Its totient is φ = 7574064.

The previous prime is 22722169. The next prime is 22722211. The reversal of 22722204 is 40222722.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946747 + ... + 946770.

Almost surely, 2^22722204 is an apocalyptic number.

It is an amenable number.

22722204 is an abundant number, since it is smaller than the sum of its proper divisors (30296300).

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

22722204 is a wasteful number, since it uses less digits than its factorization.

22722204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893524 (or 1893522 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 22722204 is about 4766.7813039828. The cubic root of 22722204 is about 283.2371081158.

Adding to 22722204 its reverse (40222722), we get a palindrome (62944926).

The spelling of 22722204 in words is "twenty-two million, seven hundred twenty-two thousand, two hundred four".