222112211222 has 16 divisors (see below), whose sum is σ = 365557255632. Its totient is φ = 100376509920.

The previous prime is 222112211197. The next prime is 222112211227.

222112211222 is nontrivially palindromic in base 10.

222112211222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222112211194 and 222112211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112211227) 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, 29175413 + ... + 29183024.

It is an arithmetic number, because the mean of its divisors is an integer number (22847328477).

Almost surely, 2^222112211222 is an apocalyptic number.

222112211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222112211222 is a deficient number, since it is larger than the sum of its proper divisors (143445044410).

222112211222 is a wasteful number, since it uses less digits than its factorization.

222112211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58358623.

The product of its digits is 256, while the sum is 20.

It can be divided in two parts, 222112 and 211222, that added together give a palindrome (433334).

The spelling of 222112211222 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-two".