328278122228 has 48 divisors (see below), whose sum is σ = 691387656960. Its totient is φ = 133338991104.

The previous prime is 328278122213. The next prime is 328278122239. The reversal of 328278122228 is 822221872823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2268101 + ... + 2408492.

It is an arithmetic number, because the mean of its divisors is an integer number (14403909520).

Almost surely, 2^328278122228 is an apocalyptic number.

It is an amenable number.

328278122228 is an abundant number, since it is smaller than the sum of its proper divisors (363109534732).

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

328278122228 is a wasteful number, since it uses less digits than its factorization.

328278122228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676736 (or 4676734 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The spelling of 328278122228 in words is "three hundred twenty-eight billion, two hundred seventy-eight million, one hundred twenty-two thousand, two hundred twenty-eight".