2312223122 has 24 divisors (see below), whose sum is σ = 3816348816. Its totient is φ = 1049895000.

The previous prime is 2312223119. The next prime is 2312223181. The reversal of 2312223122 is 2213222132.

It is a happy number.

It is a super-2 number, since 2×2312223122² = 10692751531822853768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312223094 and 2312223103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249797 + ... + 258887.

It is an arithmetic number, because the mean of its divisors is an integer number (159014534).

Almost surely, 2^2312223122 is an apocalyptic number.

2312223122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2312223122 is a deficient number, since it is larger than the sum of its proper divisors (1504125694).

2312223122 is a wasteful number, since it uses less digits than its factorization.

2312223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166 (or 10155 counting only the distinct ones).

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

The square root of 2312223122 is about 48085.5812276404. The cubic root of 2312223122 is about 1322.3403389050.

Adding to 2312223122 its reverse (2213222132), we get a palindrome (4525445254).

The spelling of 2312223122 in words is "two billion, three hundred twelve million, two hundred twenty-three thousand, one hundred twenty-two".