3123313222 has 4 divisors (see below), whose sum is σ = 4684969836. Its totient is φ = 1561656610.

The previous prime is 3123313139. The next prime is 3123313241. The reversal of 3123313222 is 2223133213.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3123313193 and 3123313202.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 780828304 + ... + 780828307.

It is an arithmetic number, because the mean of its divisors is an integer number (1171242459).

Almost surely, 2^3123313222 is an apocalyptic number.

3123313222 is a deficient number, since it is larger than the sum of its proper divisors (1561656614).

3123313222 is a wasteful number, since it uses less digits than its factorization.

3123313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561656613.

The product of its digits is 1296, while the sum is 22.

The square root of 3123313222 is about 55886.6103999876. The cubic root of 3123313222 is about 1461.7457727614.

Adding to 3123313222 its reverse (2223133213), we get a palindrome (5346446435).

Subtracting from 3123313222 its reverse (2223133213), we obtain a square (900180009 = 30003²).

The spelling of 3123313222 in words is "three billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred twenty-two".