222315404 has 6 divisors (see below), whose sum is σ = 389051964. Its totient is φ = 111157700.

The previous prime is 222315397. The next prime is 222315433. The reversal of 222315404 is 404513222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222315404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27789422 + ... + 27789429.

It is an arithmetic number, because the mean of its divisors is an integer number (64841994).

Almost surely, 2^222315404 is an apocalyptic number.

It is an amenable number.

222315404 is a deficient number, since it is larger than the sum of its proper divisors (166736560).

222315404 is a wasteful number, since it uses less digits than its factorization.

222315404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55578855 (or 55578853 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 222315404 is about 14910.2449342725. The cubic root of 222315404 is about 605.7915137104.

Adding to 222315404 its reverse (404513222), we get a palindrome (626828626).

The spelling of 222315404 in words is "two hundred twenty-two million, three hundred fifteen thousand, four hundred four".