3122112222 has 16 divisors (see below), whose sum is σ = 6938027280. Its totient is φ = 1040704056.

The previous prime is 3122112211. The next prime is 3122112229. The reversal of 3122112222 is 2222112213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3122112195 and 3122112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28908393 + ... + 28908500.

It is an arithmetic number, because the mean of its divisors is an integer number (433626705).

Almost surely, 2^3122112222 is an apocalyptic number.

3122112222 is an abundant number, since it is smaller than the sum of its proper divisors (3815915058).

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

3122112222 is a wasteful number, since it uses less digits than its factorization.

3122112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57816904 (or 57816898 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 3122112222 is about 55875.8643959984. The cubic root of 3122112222 is about 1461.5583882313.

Adding to 3122112222 its reverse (2222112213), we get a palindrome (5344224435).

Subtracting from 3122112222 its reverse (2222112213), we obtain a palindrome (900000009).

The spelling of 3122112222 in words is "three billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".