222022404 has 48 divisors (see below), whose sum is σ = 600647040. Its totient is φ = 70788960.

The previous prime is 222022399. The next prime is 222022417. The reversal of 222022404 is 404220222.

222022404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42207 + ... + 47174.

It is an arithmetic number, because the mean of its divisors is an integer number (12513480).

Almost surely, 2^222022404 is an apocalyptic number.

It is an amenable number.

222022404 is an abundant number, since it is smaller than the sum of its proper divisors (378624636).

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

222022404 is a wasteful number, since it uses less digits than its factorization.

222022404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89417 (or 89409 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 222022404 is about 14900.4162357969. The cubic root of 222022404 is about 605.5252629324.

Adding to 222022404 its reverse (404220222), we get a palindrome (626242626).

The spelling of 222022404 in words is "two hundred twenty-two million, twenty-two thousand, four hundred four".