162228 has 24 divisors (see below), whose sum is σ = 413280. Its totient is φ = 49120.

The previous prime is 162221. The next prime is 162229. The reversal of 162228 is 822261.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162221) by changing a digit.

162228 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, 483 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (17220).

2¹⁶²²²⁸ is an apocalyptic number.

It is an amenable number.

162228 is an abundant number, since it is smaller than the sum of its proper divisors (251052).

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

162228 is a wasteful number, since it uses less digits than its factorization.

162228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 162228 is about 402.7753716403. The cubic root of 162228 is about 54.5391800863.

Adding to 162228 its reverse (822261), we get a palindrome (984489).

The spelling of 162228 in words is "one hundred sixty-two thousand, two hundred twenty-eight".