228830 has 24 divisors (see below), whose sum is σ = 480168. Its totient is φ = 78288.

The previous prime is 228829. The next prime is 228841. The reversal of 228830 is 38822.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 228796 and 228805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (20007).

2²²⁸⁸³⁰ is an apocalyptic number.

228830 is an abundant number, since it is smaller than the sum of its proper divisors (251338).

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

228830 is a wasteful number, since it uses less digits than its factorization.

228830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 228830 is about 478.3617877716. The cubic root of 228830 is about 61.1651887407.

The spelling of 228830 in words is "two hundred twenty-eight thousand, eight hundred thirty".