328225272 has 64 divisors (see below), whose sum is σ = 883906560. Its totient is φ = 101270400.

The previous prime is 328225267. The next prime is 328225279. The reversal of 328225272 is 272522823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328225279) 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 15 ways as a sum of consecutive naturals, for example, 7522 + ... + 26702.

It is an arithmetic number, because the mean of its divisors is an integer number (13811040).

Almost surely, 2^328225272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328225272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441953280).

328225272 is an abundant number, since it is smaller than the sum of its proper divisors (555681288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328225272 is a wasteful number, since it uses less digits than its factorization.

328225272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19244 (or 19240 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 328225272 is about 18116.9884914684. The cubic root of 328225272 is about 689.8012954400.

The spelling of 328225272 in words is "three hundred twenty-eight million, two hundred twenty-five thousand, two hundred seventy-two".