222221204 has 12 divisors (see below), whose sum is σ = 389768064. Its totient is φ = 110858904.

The previous prime is 222221201. The next prime is 222221221. The reversal of 222221204 is 402122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221201) 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, 60932 + ... + 64475.

It is an arithmetic number, because the mean of its divisors is an integer number (32480672).

Almost surely, 2^222221204 is an apocalyptic number.

It is an amenable number.

222221204 is a deficient number, since it is larger than the sum of its proper divisors (167546860).

222221204 is a wasteful number, since it uses less digits than its factorization.

222221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125854 (or 125852 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222221204 is about 14907.0856977479. The cubic root of 222221204 is about 605.7059391597.

Adding to 222221204 its reverse (402122222), we get a palindrome (624343426).

The spelling of 222221204 in words is "two hundred twenty-two million, two hundred twenty-one thousand, two hundred four".