222055404 has 12 divisors (see below), whose sum is σ = 518129304. Its totient is φ = 74018464.

The previous prime is 222055403. The next prime is 222055429. The reversal of 222055404 is 404550222.

It is a happy number.

222055404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (222055403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9252297 + ... + 9252320.

It is an arithmetic number, because the mean of its divisors is an integer number (43177442).

Almost surely, 2^222055404 is an apocalyptic number.

It is an amenable number.

222055404 is an abundant number, since it is smaller than the sum of its proper divisors (296073900).

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

222055404 is a wasteful number, since it uses less digits than its factorization.

222055404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504624 (or 18504622 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 222055404 is about 14901.5235462687. The cubic root of 222055404 is about 605.5552619226. Note that the first 3 decimals are identical.

The spelling of 222055404 in words is "two hundred twenty-two million, fifty-five thousand, four hundred four".