2312122443222 has 16 divisors (see below), whose sum is σ = 4650974627760. Its totient is φ = 766252524192.

The previous prime is 2312122443209. The next prime is 2312122443229. The reversal of 2312122443222 is 2223442212132.

2312122443222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2312122443222² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2312122443222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312122443229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113738097 + ... + 1113740172.

It is an arithmetic number, because the mean of its divisors is an integer number (290685914235).

Almost surely, 2^{2312122443222} is an apocalyptic number.

2312122443222 is an abundant number, since it is smaller than the sum of its proper divisors (2338852184538).

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

2312122443222 is a wasteful number, since it uses less digits than its factorization.

2312122443222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227478447.

The product of its digits is 18432, while the sum is 30.

Adding to 2312122443222 its reverse (2223442212132), we get a palindrome (4535564655354).

The spelling of 2312122443222 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, four hundred forty-three thousand, two hundred twenty-two".