189922 has 4 divisors (see below), whose sum is σ = 284886. Its totient is φ = 94960.

The previous prime is 189913. The next prime is 189929. The reversal of 189922 is 229981.

189922 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121801 + 68121 = 349^2 + 261^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (189929) by changing a digit.

189922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47479 + ... + 47482.

2¹⁸⁹⁹²² is an apocalyptic number.

189922 is a deficient number, since it is larger than the sum of its proper divisors (94964).

189922 is an equidigital number, since it uses as much as digits as its factorization.

189922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94963.

The product of its digits is 2592, while the sum is 31.

The square root of 189922 is about 435.8004130333. The cubic root of 189922 is about 57.4811028009.

It can be divided in two parts, 189 and 922, that added together give a palindrome (1111).

The spelling of 189922 in words is "one hundred eighty-nine thousand, nine hundred twenty-two".