2311223031222 has 32 divisors (see below), whose sum is σ = 5288791947264. Its totient is φ = 659599881600.

The previous prime is 2311223031203. The next prime is 2311223031233. The reversal of 2311223031222 is 2221303221132.

2311223031222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2311223031192 and 2311223031201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31194054 + ... + 31268057.

It is an arithmetic number, because the mean of its divisors is an integer number (165274748352).

Almost surely, 2^{2311223031222} is an apocalyptic number.

2311223031222 is an abundant number, since it is smaller than the sum of its proper divisors (2977568916042).

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

2311223031222 is a wasteful number, since it uses less digits than its factorization.

2311223031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62463004.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2311223031222 its reverse (2221303221132), we get a palindrome (4532526252354).

The spelling of 2311223031222 in words is "two trillion, three hundred eleven billion, two hundred twenty-three million, thirty-one thousand, two hundred twenty-two".