3122133220 has 24 divisors (see below), whose sum is σ = 6569640000. Its totient is φ = 1246346592.

The previous prime is 3122133211. The next prime is 3122133253. The reversal of 3122133220 is 223312213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146440 + ... + 166399.

It is an arithmetic number, because the mean of its divisors is an integer number (273735000).

Almost surely, 2^3122133220 is an apocalyptic number.

It is an amenable number.

3122133220 is an abundant number, since it is smaller than the sum of its proper divisors (3447506780).

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

3122133220 is a wasteful number, since it uses less digits than its factorization.

3122133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313347 (or 313345 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3122133220 is about 55876.0522943416. The cubic root of 3122133220 is about 1461.5616648309.

Adding to 3122133220 its reverse (223312213), we get a palindrome (3345445433).

The spelling of 3122133220 in words is "three billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty".