222000166 has 16 divisors (see below), whose sum is σ = 336168000. Its totient is φ = 109948608.

The previous prime is 222000151. The next prime is 222000179. The reversal of 222000166 is 661000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137170 + ... + 138778.

It is an arithmetic number, because the mean of its divisors is an integer number (21010500).

Almost surely, 2^222000166 is an apocalyptic number.

222000166 is a deficient number, since it is larger than the sum of its proper divisors (114167834).

222000166 is a wasteful number, since it uses less digits than its factorization.

222000166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 222000166 is about 14899.6699963456. The cubic root of 222000166 is about 605.5050455727.

Adding to 222000166 its reverse (661000222), we get a palindrome (883000388).

The spelling of 222000166 in words is "two hundred twenty-two million, one hundred sixty-six", and thus it is an aban number.