2221222120022 has 16 divisors (see below), whose sum is σ = 3342694438032. Its totient is φ = 1106991100800.

The previous prime is 2221222119899. The next prime is 2221222120069. The reversal of 2221222120022 is 2200212221222.

It is a junction number, because it is equal to n+sod(n) for n = 2221222119976 and 2221222120003.

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, 10316978 + ... + 10530074.

It is an arithmetic number, because the mean of its divisors is an integer number (208918402377).

Almost surely, 2^{2221222120022} is an apocalyptic number.

2221222120022 is a deficient number, since it is larger than the sum of its proper divisors (1121472318010).

2221222120022 is a wasteful number, since it uses less digits than its factorization.

2221222120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230063.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221222120022 its reverse (2200212221222), we get a palindrome (4421434341244).

It can be divided in two parts, 22212221200 and 22, that added together give a palindrome (22212221222).

The spelling of 2221222120022 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, twenty-two".