3112222144 has 28 divisors (see below), whose sum is σ = 6342734584. Its totient is φ = 1514052864.

The previous prime is 3112222133. The next prime is 3112222189. The reversal of 3112222144 is 4412222113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654774 + ... + 659509.

Almost surely, 2^3112222144 is an apocalyptic number.

It is an amenable number.

3112222144 is an abundant number, since it is smaller than the sum of its proper divisors (3230512440).

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

3112222144 is a wasteful number, since it uses less digits than its factorization.

3112222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314332 (or 1314322 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 3112222144 is about 55787.2937504590. The cubic root of 3112222144 is about 1460.0134708209.

Adding to 3112222144 its reverse (4412222113), we get a palindrome (7524444257).

The spelling of 3112222144 in words is "three billion, one hundred twelve million, two hundred twenty-two thousand, one hundred forty-four".