228382 has 16 divisors (see below), whose sum is σ = 427392. Its totient is φ = 88920.

The previous prime is 228359. The next prime is 228383. The reversal of 228382 is 283822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228383) by changing a digit.

228382 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 895.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2²²⁸³⁸² is an apocalyptic number.

228382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228382 is a deficient number, since it is larger than the sum of its proper divisors (199010).

228382 is a wasteful number, since it uses less digits than its factorization.

228382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

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

The square root of 228382 is about 477.8932935290. The cubic root of 228382 is about 61.1252465618.

The spelling of 228382 in words is "two hundred twenty-eight thousand, three hundred eighty-two".