168229 has 4 divisors (see below), whose sum is σ = 174060. Its totient is φ = 162400.

The previous prime is 168227. The next prime is 168247. The reversal of 168229 is 922861.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 31329 = 370^2 + 177^2 .

It is not a de Polignac number, because 168229 - 2¹ = 168227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168197 and 168206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (43515).

2¹⁶⁸²²⁹ is an apocalyptic number.

It is an amenable number.

168229 is a deficient number, since it is larger than the sum of its proper divisors (5831).

168229 is an equidigital number, since it uses as much as digits as its factorization.

168229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830.

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

The square root of 168229 is about 410.1572869035. The cubic root of 168229 is about 55.2035433208.

It can be divided in two parts, 1682 and 29, that added together give a triangular number (1711 = T₅₈).

The spelling of 168229 in words is "one hundred sixty-eight thousand, two hundred twenty-nine".