3115221355 has 16 divisors (see below), whose sum is σ = 3984393024. Its totient is φ = 2330035200.

The previous prime is 3115221353. The next prime is 3115221359. The reversal of 3115221355 is 5531225113.

It is not a de Polignac number, because 3115221355 - 2¹ = 3115221353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3115221353) by changing a digit.

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, 108522 + ... + 134191.

It is an arithmetic number, because the mean of its divisors is an integer number (249024564).

Almost surely, 2^3115221355 is an apocalyptic number.

3115221355 is a deficient number, since it is larger than the sum of its proper divisors (869171669).

3115221355 is a wasteful number, since it uses less digits than its factorization.

3115221355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242886.

The product of its digits is 4500, while the sum is 28.

The square root of 3115221355 is about 55814.1680489820. The cubic root of 3115221355 is about 1460.4823193782.

Adding to 3115221355 its reverse (5531225113), we get a palindrome (8646446468).

The spelling of 3115221355 in words is "three billion, one hundred fifteen million, two hundred twenty-one thousand, three hundred fifty-five".