2311144222 has 16 divisors (see below), whose sum is σ = 3526110720. Its totient is φ = 1135941408.

The previous prime is 2311144201. The next prime is 2311144261. The reversal of 2311144222 is 2224411132.

It is a super-2 number, since 2×2311144222² = 10682775229767970568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2311144193 and 2311144202.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14053 + ... + 69424.

It is an arithmetic number, because the mean of its divisors is an integer number (220381920).

Almost surely, 2^2311144222 is an apocalyptic number.

2311144222 is a deficient number, since it is larger than the sum of its proper divisors (1214966498).

2311144222 is a wasteful number, since it uses less digits than its factorization.

2311144222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83715.

The product of its digits is 768, while the sum is 22.

The square root of 2311144222 is about 48074.3613790137. The cubic root of 2311144222 is about 1322.1346357249.

Adding to 2311144222 its reverse (2224411132), we get a palindrome (4535555354).

The spelling of 2311144222 in words is "two billion, three hundred eleven million, one hundred forty-four thousand, two hundred twenty-two".