168922 has 16 divisors (see below), whose sum is σ = 279720. Its totient is φ = 76032.

The previous prime is 168913. The next prime is 168937. The reversal of 168922 is 229861.

It is a happy number.

It is a Cunningham number, because it is equal to 411²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 95481 + 73441 = 309^2 + 271^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

168922 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 in 7 ways as a sum of consecutive naturals, for example, 1854 + ... + 1942.

2¹⁶⁸⁹²² is an apocalyptic number.

168922 is a deficient number, since it is larger than the sum of its proper divisors (110798).

168922 is a wasteful number, since it uses less digits than its factorization.

168922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177.

The product of its digits is 1728, while the sum is 28.

The square root of 168922 is about 411.0012165432. The cubic root of 168922 is about 55.2792410205.

It can be divided in two parts, 1689 and 22, that added together give a triangular number (1711 = T₅₈).

The spelling of 168922 in words is "one hundred sixty-eight thousand, nine hundred twenty-two".