3321220115 has 4 divisors (see below), whose sum is σ = 3985464144. Its totient is φ = 2656976088.

The previous prime is 3321220109. The next prime is 3321220141. The reversal of 3321220115 is 5110221233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3321220115 - 2²⁶ = 3254111251 is a prime.

It is a super-2 number, since 2×3321220115² = 22061006104561226450, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 332122007 + ... + 332122016.

It is an arithmetic number, because the mean of its divisors is an integer number (996366036).

Almost surely, 2^3321220115 is an apocalyptic number.

3321220115 is a deficient number, since it is larger than the sum of its proper divisors (664244029).

3321220115 is an equidigital number, since it uses as much as digits as its factorization.

3321220115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664244028.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3321220115 is about 57630.0278934515. The cubic root of 3321220115 is about 1491.9899114228.

Adding to 3321220115 its reverse (5110221233), we get a palindrome (8431441348).

The spelling of 3321220115 in words is "three billion, three hundred twenty-one million, two hundred twenty thousand, one hundred fifteen".