222212101212222 has 24 divisors (see below), whose sum is σ = 488499329939208. Its totient is φ = 67337000367120.

The previous prime is 222212101212197. The next prime is 222212101212229.

It is a happy number.

222212101212222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222212101212192 and 222212101212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212101212229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153038636473 + ... + 153038637924.

It is an arithmetic number, because the mean of its divisors is an integer number (20354138747467).

Almost surely, 2^{222212101212222} is an apocalyptic number.

222212101212222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222212101212222 is an abundant number, since it is smaller than the sum of its proper divisors (266287228726986).

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

222212101212222 is a wasteful number, since it uses less digits than its factorization.

222212101212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306077274424 (or 306077274413 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 22221210 and 1212222, that added together give a palindrome (23433432).

The spelling of 222212101212222 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred one million, two hundred twelve thousand, two hundred twenty-two".