2313220122 has 12 divisors (see below), whose sum is σ = 5011976970. Its totient is φ = 771073368.

The previous prime is 2313220111. The next prime is 2313220153. The reversal of 2313220122 is 2210223132.

It can be written as a sum of positive squares in only one way, i.e., 2161413081 + 151807041 = 46491^2 + 12321^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 128512229 = 2313220122 / (2 + 3 + 1 + 3 + 2 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2313220095 and 2313220104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64256097 + ... + 64256132.

Almost surely, 2^2313220122 is an apocalyptic number.

2313220122 is an abundant number, since it is smaller than the sum of its proper divisors (2698756848).

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

2313220122 is a wasteful number, since it uses less digits than its factorization.

2313220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128512237 (or 128512234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2313220122 is about 48095.9470433840. The cubic root of 2313220122 is about 1322.5303701441.

Adding to 2313220122 its reverse (2210223132), we get a palindrome (4523443254).

The spelling of 2313220122 in words is "two billion, three hundred thirteen million, two hundred twenty thousand, one hundred twenty-two".