222188 has 6 divisors (see below), whose sum is σ = 388836. Its totient is φ = 111092.

The previous prime is 222163. The next prime is 222193. The reversal of 222188 is 881222.

222188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27770 + ... + 27777.

It is an arithmetic number, because the mean of its divisors is an integer number (64806).

2²²²¹⁸⁸ is an apocalyptic number.

It is an amenable number.

222188 is a deficient number, since it is larger than the sum of its proper divisors (166648).

222188 is a wasteful number, since it uses less digits than its factorization.

222188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55551 (or 55549 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 222188 is about 471.3682212453. The cubic root of 222188 is about 60.5675769729.

The spelling of 222188 in words is "two hundred twenty-two thousand, one hundred eighty-eight".