228342 has 16 divisors (see below), whose sum is σ = 480960. Its totient is φ = 72072.

The previous prime is 228341. The next prime is 228353. The reversal of 228342 is 243822.

228342 is a modest number, since divided by 342 gives 228 as remainder.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (30060).

2²²⁸³⁴² is an apocalyptic number.

228342 is an abundant number, since it is smaller than the sum of its proper divisors (252618).

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

228342 is a wasteful number, since it uses less digits than its factorization.

228342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027.

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

The square root of 228342 is about 477.8514413497. The cubic root of 228342 is about 61.1216777565.

The spelling of 228342 in words is "two hundred twenty-eight thousand, three hundred forty-two".