228832 has 12 divisors (see below), whose sum is σ = 450576. Its totient is φ = 114400.

The previous prime is 228829. The next prime is 228841. The reversal of 228832 is 238822.

It is a junction number, because it is equal to n+sod(n) for n = 228797 and 228806.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3544 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (37548).

2²²⁸⁸³² is an apocalyptic number.

It is an amenable number.

228832 is a deficient number, since it is larger than the sum of its proper divisors (221744).

228832 is an equidigital number, since it uses as much as digits as its factorization.

228832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161 (or 7153 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 228832 is about 478.3638782350. The cubic root of 228832 is about 61.1653669371.

The spelling of 228832 in words is "two hundred twenty-eight thousand, eight hundred thirty-two".