1328322216 has 64 divisors (see below), whose sum is σ = 3579952320. Its totient is φ = 408291840.

The previous prime is 1328322161. The next prime is 1328322221. The reversal of 1328322216 is 6122238231.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445611 + ... + 448581.

It is an arithmetic number, because the mean of its divisors is an integer number (55936755).

Almost surely, 2^1328322216 is an apocalyptic number.

It is an amenable number.

1328322216 is an abundant number, since it is smaller than the sum of its proper divisors (2251630104).

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

1328322216 is a wasteful number, since it uses less digits than its factorization.

1328322216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4422 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 1328322216 is about 36446.1550235412. The cubic root of 1328322216 is about 1099.2618231999.

The spelling of 1328322216 in words is "one billion, three hundred twenty-eight million, three hundred twenty-two thousand, two hundred sixteen".