22222221120222 has 16 divisors (see below), whose sum is σ = 44487466882320. Its totient is φ = 7400236266432.

The previous prime is 22222221120079. The next prime is 22222221120247. The reversal of 22222221120222 is 22202112222222.

It is a super-2 number, since 2×22222221120222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22222221120192 and 22222221120201.

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, 1792686697 + ... + 1792699092.

It is an arithmetic number, because the mean of its divisors is an integer number (2780466680145).

Almost surely, 2^{22222221120222} is an apocalyptic number.

22222221120222 is an abundant number, since it is smaller than the sum of its proper divisors (22265245762098).

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

22222221120222 is a wasteful number, since it uses less digits than its factorization.

22222221120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585386827.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22222221120222 its reverse (22202112222222), we get a palindrome (44424333342444).

The spelling of 22222221120222 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".