222668158 has 16 divisors (see below), whose sum is σ = 341055360. Its totient is φ = 108992416.

The previous prime is 222668123. The next prime is 222668179. The reversal of 222668158 is 851866222.

It is a super-2 number, since 2×222668158² = 99162217174225928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222668158.

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, 51891 + ... + 56017.

It is an arithmetic number, because the mean of its divisors is an integer number (21315960).

Almost surely, 2^222668158 is an apocalyptic number.

222668158 is a deficient number, since it is larger than the sum of its proper divisors (118387202).

222668158 is a wasteful number, since it uses less digits than its factorization.

222668158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691.

The product of its digits is 92160, while the sum is 40.

The square root of 222668158 is about 14922.0694945440. The cubic root of 222668158 is about 606.1117531088. Note that the first 3 decimals are identical.

The spelling of 222668158 in words is "two hundred twenty-two million, six hundred sixty-eight thousand, one hundred fifty-eight".