228942 has 48 divisors (see below), whose sum is σ = 599040. Its totient is φ = 61776.

The previous prime is 228929. The next prime is 228953. The reversal of 228942 is 249822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2859 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (12480).

2²²⁸⁹⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299520).

228942 is an abundant number, since it is smaller than the sum of its proper divisors (370098).

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

228942 is a wasteful number, since it uses less digits than its factorization.

228942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 114 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 228942 is about 478.4788396575. The cubic root of 228942 is about 61.1751661385.

The spelling of 228942 in words is "two hundred twenty-eight thousand, nine hundred forty-two".