228982 has 8 divisors (see below), whose sum is σ = 369936. Its totient is φ = 105672.

The previous prime is 228961. The next prime is 228983. The reversal of 228982 is 289822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4378 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (46242).

2²²⁸⁹⁸² is an apocalyptic number.

228982 is a deficient number, since it is larger than the sum of its proper divisors (140954).

228982 is a wasteful number, since it uses less digits than its factorization.

228982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822.

The product of its digits is 4608, while the sum is 31.

The square root of 228982 is about 478.5206369635. The cubic root of 228982 is about 61.1787287062.

It can be divided in two parts, 22898 and 2, that multiplied together give a square (45796 = 214²).

The spelling of 228982 in words is "two hundred twenty-eight thousand, nine hundred eighty-two".