228944 has 20 divisors (see below), whose sum is σ = 455700. Its totient is φ = 111360.

The previous prime is 228929. The next prime is 228953. The reversal of 228944 is 449822.

228944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 78400 + 150544 = 280^2 + 388^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

228944 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (22785).

2²²⁸⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

228944 is a deficient number, since it is larger than the sum of its proper divisors (226756).

228944 is a wasteful number, since it uses less digits than its factorization.

228944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 228944 is about 478.4809296095. The cubic root of 228944 is about 61.1753442767.

The spelling of 228944 in words is "two hundred twenty-eight thousand, nine hundred forty-four".