222204166 has 16 divisors (see below), whose sum is σ = 345649824. Its totient is φ = 107046144.

The previous prime is 222204163. The next prime is 222204167. The reversal of 222204166 is 661402222.

It is a self number, because there is not a number n which added to its sum of digits gives 222204166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222204163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6955 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (21603114).

Almost surely, 2^222204166 is an apocalyptic number.

222204166 is a deficient number, since it is larger than the sum of its proper divisors (123445658).

222204166 is a wasteful number, since it uses less digits than its factorization.

222204166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29295.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 222204166 is about 14906.5142135913. The cubic root of 222204166 is about 605.6904586664.

Adding to 222204166 its reverse (661402222), we get a palindrome (883606388).

The spelling of 222204166 in words is "two hundred twenty-two million, two hundred four thousand, one hundred sixty-six".