22221111110222 has 16 divisors (see below), whose sum is σ = 33520960432080. Its totient is φ = 11047525301568.

The previous prime is 22221111110161. The next prime is 22221111110251. The reversal of 22221111110222 is 22201111112222.

It is a junction number, because it is equal to n+sod(n) for n = 22221111110194 and 22221111110203.

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, 16259447 + ... + 17573042.

It is an arithmetic number, because the mean of its divisors is an integer number (2095060027005).

Almost surely, 2^{22221111110222} is an apocalyptic number.

22221111110222 is a deficient number, since it is larger than the sum of its proper divisors (11299849321858).

22221111110222 is a wasteful number, since it uses less digits than its factorization.

22221111110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33834355.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22221111110222 its reverse (22201111112222), we get a palindrome (44422222222444).

It can be divided in two parts, 2222111 and 1110222, that added together give a palindrome (3332333).

The spelling of 22221111110222 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred ten thousand, two hundred twenty-two".