3112440220 has 24 divisors (see below), whose sum is σ = 6577762464. Its totient is φ = 1237045056.

The previous prime is 3112440203. The next prime is 3112440229. The reversal of 3112440220 is 220442113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112440229) 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 7 ways as a sum of consecutive naturals, for example, 492472 + ... + 498751.

It is an arithmetic number, because the mean of its divisors is an integer number (274073436).

Almost surely, 2^3112440220 is an apocalyptic number.

It is an amenable number.

3112440220 is an abundant number, since it is smaller than the sum of its proper divisors (3465322244).

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

3112440220 is a wasteful number, since it uses less digits than its factorization.

3112440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991389 (or 991387 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3112440220 is about 55789.2482473102. The cubic root of 3112440220 is about 1460.0475714780.

Adding to 3112440220 its reverse (220442113), we get a palindrome (3332882333).

The spelling of 3112440220 in words is "three billion, one hundred twelve million, four hundred forty thousand, two hundred twenty".