328238228 has 12 divisors (see below), whose sum is σ = 575181012. Its totient is φ = 163900800.

The previous prime is 328238201. The next prime is 328238249. The reversal of 328238228 is 822832823.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185722384 + 142515844 = 13628^2 + 11938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328238191 and 328238200.

It is a congruent number.

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, 51173 + ... + 57228.

It is an arithmetic number, because the mean of its divisors is an integer number (47931751).

Almost surely, 2^328238228 is an apocalyptic number.

It is an amenable number.

328238228 is a deficient number, since it is larger than the sum of its proper divisors (246942784).

328238228 is a wasteful number, since it uses less digits than its factorization.

328238228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109162 (or 109160 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 328238228 is about 18117.3460528853. The cubic root of 328238228 is about 689.8103714708.

The spelling of 328238228 in words is "three hundred twenty-eight million, two hundred thirty-eight thousand, two hundred twenty-eight".