328228 has 12 divisors (see below), whose sum is σ = 593152. Its totient is φ = 158760.

The previous prime is 328213. The next prime is 328243. The reversal of 328228 is 822823.

328228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (328213) and next prime (328243).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

328228 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200 + ... + 1447.

2³²⁸²²⁸ is an apocalyptic number.

It is an amenable number.

328228 is a deficient number, since it is larger than the sum of its proper divisors (264924).

328228 is a wasteful number, since it uses less digits than its factorization.

328228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2680 counting only the distinct ones).

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

The square root of 328228 is about 572.9118605859. The cubic root of 328228 is about 68.9803206498.

The spelling of 328228 in words is "three hundred twenty-eight thousand, two hundred twenty-eight".