222118 has 8 divisors (see below), whose sum is σ = 358848. Its totient is φ = 102504.

The previous prime is 222113. The next prime is 222127. The reversal of 222118 is 811222.

222118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222113) 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, 4246 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (44856).

2²²²¹¹⁸ is an apocalyptic number.

222118 is a deficient number, since it is larger than the sum of its proper divisors (136730).

222118 is a wasteful number, since it uses less digits than its factorization.

222118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558.

The product of its digits is 64, while the sum is 16.

The square root of 222118 is about 471.2939634665. The cubic root of 222118 is about 60.5612157297.

The spelling of 222118 in words is "two hundred twenty-two thousand, one hundred eighteen".