234228 has 24 divisors (see below), whose sum is σ = 554400. Its totient is φ = 76960.

The previous prime is 234217. The next prime is 234239. The reversal of 234228 is 822432.

It is an interprime number because it is at equal distance from previous prime (234217) and next prime (234239).

It is a congruent number.

It is an unprimeable number.

234228 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, 1498 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (23100).

2²³⁴²²⁸ is an apocalyptic number.

It is an amenable number.

234228 is an abundant number, since it is smaller than the sum of its proper divisors (320172).

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

234228 is a wasteful number, since it uses less digits than its factorization.

234228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 234228 is about 483.9710735158. The cubic root of 234228 is about 61.6424090940.

The spelling of 234228 in words is "two hundred thirty-four thousand, two hundred twenty-eight".