228700 has 18 divisors (see below), whose sum is σ = 496496. Its totient is φ = 91440.

The previous prime is 228677. The next prime is 228707. The reversal of 228700 is 7822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1044 + ... + 1243.

2²²⁸⁷⁰⁰ is an apocalyptic number.

228700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228700 is an abundant number, since it is smaller than the sum of its proper divisors (267796).

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

228700 is a wasteful number, since it uses less digits than its factorization.

228700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 228700 is about 478.2258880487. The cubic root of 228700 is about 61.1536037493.

The spelling of 228700 in words is "two hundred twenty-eight thousand, seven hundred".