228230 has 16 divisors (see below), whose sum is σ = 425520. Its totient is φ = 88032.

The previous prime is 228223. The next prime is 228233. The reversal of 228230 is 32822.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228199 and 228208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (26595).

2²²⁸²³⁰ is an apocalyptic number.

228230 is a deficient number, since it is larger than the sum of its proper divisors (197290).

228230 is a wasteful number, since it uses less digits than its factorization.

228230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 228230 is about 477.7342357420. The cubic root of 228230 is about 61.1116828842. Note that the first 3 decimals are identical.

The spelling of 228230 in words is "two hundred twenty-eight thousand, two hundred thirty".