3112445221 has 16 divisors (see below), whose sum is σ = 3375820800. Its totient is φ = 2858139648.

The previous prime is 3112445209. The next prime is 3112445227. The reversal of 3112445221 is 1225442113.

It is a cyclic number.

It is not a de Polignac number, because 3112445221 - 2⁷ = 3112445093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112445227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933285 + ... + 936613.

It is an arithmetic number, because the mean of its divisors is an integer number (210988800).

Almost surely, 2^3112445221 is an apocalyptic number.

It is an amenable number.

3112445221 is a deficient number, since it is larger than the sum of its proper divisors (263375579).

3112445221 is a wasteful number, since it uses less digits than its factorization.

3112445221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668.

The product of its digits is 1920, while the sum is 25.

The square root of 3112445221 is about 55789.2930677563. The cubic root of 3112445221 is about 1460.0483534683.

Adding to 3112445221 its reverse (1225442113), we get a palindrome (4337887334).

The spelling of 3112445221 in words is "three billion, one hundred twelve million, four hundred forty-five thousand, two hundred twenty-one".