2312222312 has 32 divisors (see below), whose sum is σ = 4374453600. Its totient is φ = 1145726400.

The previous prime is 2312222261. The next prime is 2312222369. The reversal of 2312222312 is 2132222132.

It is a happy number.

It is a super-2 number, since 2×2312222312² = 10692744040221250688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352114 + ... + 1353822.

It is an arithmetic number, because the mean of its divisors is an integer number (136701675).

Almost surely, 2^2312222312 is an apocalyptic number.

It is an amenable number.

2312222312 is a deficient number, since it is larger than the sum of its proper divisors (2062231288).

2312222312 is a wasteful number, since it uses less digits than its factorization.

2312222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137 (or 3133 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2312222312 is about 48085.5728051564. The cubic root of 2312222312 is about 1322.3401844943.

Adding to 2312222312 its reverse (2132222132), we get a palindrome (4444444444).

The spelling of 2312222312 in words is "two billion, three hundred twelve million, two hundred twenty-two thousand, three hundred twelve".