22222113222 has 32 divisors (see below), whose sum is σ = 46212839424. Its totient is φ = 7116091200.

The previous prime is 22222113217. The next prime is 22222113259. The reversal of 22222113222 is 22231122222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410554 + ... + 461517.

It is an arithmetic number, because the mean of its divisors is an integer number (1444151232).

Almost surely, 2^22222113222 is an apocalyptic number.

22222113222 is an abundant number, since it is smaller than the sum of its proper divisors (23990726202).

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

22222113222 is a wasteful number, since it uses less digits than its factorization.

22222113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872244.

The product of its digits is 768, while the sum is 21.

Adding to 22222113222 its reverse (22231122222), we get a palindrome (44453235444).

The spelling of 22222113222 in words is "twenty-two billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-two".