3113121222 has 16 divisors (see below), whose sum is σ = 6918047280. Its totient is φ = 1037707056.

The previous prime is 3113121217. The next prime is 3113121223. The reversal of 3113121222 is 2221213113.

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 = 3113121195 and 3113121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113121223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28825143 + ... + 28825250.

It is an arithmetic number, because the mean of its divisors is an integer number (432377955).

Almost surely, 2^3113121222 is an apocalyptic number.

3113121222 is an abundant number, since it is smaller than the sum of its proper divisors (3804926058).

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

3113121222 is a wasteful number, since it uses less digits than its factorization.

3113121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57650404 (or 57650398 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3113121222 is about 55795.3512579677. The cubic root of 3113121222 is about 1460.1540498613.

Adding to 3113121222 its reverse (2221213113), we get a palindrome (5334334335).

The spelling of 3113121222 in words is "three billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-two".