168228 has 18 divisors (see below), whose sum is σ = 425334. Its totient is φ = 56064.

The previous prime is 168227. The next prime is 168247. The reversal of 168228 is 822861.

It can be written as a sum of positive squares in only one way, i.e., 166464 + 1764 = 408^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2301 + ... + 2372.

2¹⁶⁸²²⁸ is an apocalyptic number.

168228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168228 is an abundant number, since it is smaller than the sum of its proper divisors (257106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168228 is a wasteful number, since it uses less digits than its factorization.

168228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4678 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 168228 is about 410.1560678571. The cubic root of 168228 is about 55.2034339389.

The spelling of 168228 in words is "one hundred sixty-eight thousand, two hundred twenty-eight".