222003166 has 16 divisors (see below), whose sum is σ = 415175040. Its totient is φ = 86494680.

The previous prime is 222003143. The next prime is 222003179. The reversal of 222003166 is 661300222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 720636 + ... + 720943.

It is an arithmetic number, because the mean of its divisors is an integer number (25948440).

Almost surely, 2^222003166 is an apocalyptic number.

222003166 is a deficient number, since it is larger than the sum of its proper divisors (193171874).

222003166 is a wasteful number, since it uses less digits than its factorization.

222003166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441599.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 222003166 is about 14899.7706693761. The cubic root of 222003166 is about 605.5077730586.

Adding to 222003166 its reverse (661300222), we get a palindrome (883303388).

The spelling of 222003166 in words is "two hundred twenty-two million, three thousand, one hundred sixty-six".