1328322215 has 16 divisors (see below), whose sum is σ = 1739612160. Its totient is φ = 965653920.

The previous prime is 1328322161. The next prime is 1328322221. The reversal of 1328322215 is 5122238231.

It is not a de Polignac number, because 1328322215 - 2¹² = 1328318119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225842 + ... + 231648.

It is an arithmetic number, because the mean of its divisors is an integer number (108725760).

Almost surely, 2^1328322215 is an apocalyptic number.

1328322215 is a deficient number, since it is larger than the sum of its proper divisors (411289945).

1328322215 is a wasteful number, since it uses less digits than its factorization.

1328322215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982.

The product of its digits is 5760, while the sum is 29.

The square root of 1328322215 is about 36446.1550098224. The cubic root of 1328322215 is about 1099.2618229241.

The spelling of 1328322215 in words is "one billion, three hundred twenty-eight million, three hundred twenty-two thousand, two hundred fifteen".