2221111222422 has 16 divisors (see below), whose sum is σ = 4486204846512. Its totient is φ = 733040007200.

The previous prime is 2221111222411. The next prime is 2221111222471. The reversal of 2221111222422 is 2242221111222.

It is a junction number, because it is equal to n+sod(n) for n = 2221111222392 and 2221111222401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832599413 + ... + 1832600624.

It is an arithmetic number, because the mean of its divisors is an integer number (280387802907).

Almost surely, 2^{2221111222422} is an apocalyptic number.

2221111222422 is an abundant number, since it is smaller than the sum of its proper divisors (2265093624090).

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

2221111222422 is a wasteful number, since it uses less digits than its factorization.

2221111222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665200143.

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

Adding to 2221111222422 its reverse (2242221111222), we get a palindrome (4463332333644).

The spelling of 2221111222422 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty-two thousand, four hundred twenty-two".