222204404 has 24 divisors (see below), whose sum is σ = 402157056. Its totient is φ = 107316000.

The previous prime is 222204401. The next prime is 222204413. The reversal of 222204404 is 404402222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222204401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80609 + ... + 83319.

It is an arithmetic number, because the mean of its divisors is an integer number (16756544).

Almost surely, 2^222204404 is an apocalyptic number.

It is an amenable number.

222204404 is a deficient number, since it is larger than the sum of its proper divisors (179952652).

222204404 is a wasteful number, since it uses less digits than its factorization.

222204404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3405 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 222204404 is about 14906.5221966762. The cubic root of 222204404 is about 605.6906749154.

Adding to 222204404 its reverse (404402222), we get a palindrome (626606626).

The spelling of 222204404 in words is "two hundred twenty-two million, two hundred four thousand, four hundred four".