188222 has 4 divisors (see below), whose sum is σ = 282336. Its totient is φ = 94110.

The previous prime is 188197. The next prime is 188249. The reversal of 188222 is 222881.

188222 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222881 = 107 ⋅2083.

It is a super-3 number, since 3×188222³ = 20004716733351144, which contains 333 as substring.

188222 is a modest number, since divided by 222 gives 188 as remainder.

It is a congruent number.

It is an unprimeable number.

188222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47054 + ... + 47057.

It is an arithmetic number, because the mean of its divisors is an integer number (70584).

2¹⁸⁸²²² is an apocalyptic number.

188222 is a deficient number, since it is larger than the sum of its proper divisors (94114).

188222 is an equidigital number, since it uses as much as digits as its factorization.

188222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94113.

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

The square root of 188222 is about 433.8455946532. The cubic root of 188222 is about 57.3090832485.

The spelling of 188222 in words is "one hundred eighty-eight thousand, two hundred twenty-two".