1222222110222 has 16 divisors (see below), whose sum is σ = 2510510280912. Its totient is φ = 396396360000.

The previous prime is 1222222110191. The next prime is 1222222110269. The reversal of 1222222110222 is 2220112222221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752752279 + ... + 2752752722.

It is an arithmetic number, because the mean of its divisors is an integer number (156906892557).

Almost surely, 2^{1222222110222} is an apocalyptic number.

1222222110222 is an abundant number, since it is smaller than the sum of its proper divisors (1288288170690).

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

1222222110222 is a wasteful number, since it uses less digits than its factorization.

1222222110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505505043.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1222222110222 its reverse (2220112222221), we get a palindrome (3442334332443).

The spelling of 1222222110222 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-two".