320228 has 12 divisors (see below), whose sum is σ = 564480. Its totient is φ = 158952.

The previous prime is 320219. The next prime is 320237. The reversal of 320228 is 822023.

320228 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (320219) and next prime (320237).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (47040).

2³²⁰²²⁸ is an apocalyptic number.

It is an amenable number.

320228 is a deficient number, since it is larger than the sum of its proper divisors (244252).

320228 is a wasteful number, since it uses less digits than its factorization.

320228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 584 counting only the distinct ones).

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

The square root of 320228 is about 565.8869144979. The cubic root of 320228 is about 68.4152787820.

The spelling of 320228 in words is "three hundred twenty thousand, two hundred twenty-eight".