2311223222 has 16 divisors (see below), whose sum is σ = 4322287872. Its totient is φ = 900476520.

The previous prime is 2311223203. The next prime is 2311223231. The reversal of 2311223222 is 2223221132.

It is a happy number.

It is a super-2 number, since 2×2311223222² = 10683505563824122568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2311223194 and 2311223203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7503818 + ... + 7504125.

It is an arithmetic number, because the mean of its divisors is an integer number (270142992).

Almost surely, 2^2311223222 is an apocalyptic number.

2311223222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2311223222 is a deficient number, since it is larger than the sum of its proper divisors (2011064650).

2311223222 is a wasteful number, since it uses less digits than its factorization.

2311223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15007963.

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

The square root of 2311223222 is about 48075.1830157723. The cubic root of 2311223222 is about 1322.1497000446.

Adding to 2311223222 its reverse (2223221132), we get a palindrome (4534444354).

The spelling of 2311223222 in words is "two billion, three hundred eleven million, two hundred twenty-three thousand, two hundred twenty-two".