22112302222 has 16 divisors (see below), whose sum is σ = 33499105200. Its totient is φ = 10946093760.

The previous prime is 22112302217. The next prime is 22112302231. The reversal of 22112302222 is 22220321122.

It is a super-2 number, since 2×22112302222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22112302222.

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, 242154 + ... + 320722.

It is an arithmetic number, because the mean of its divisors is an integer number (2093694075).

Almost surely, 2^22112302222 is an apocalyptic number.

22112302222 is a deficient number, since it is larger than the sum of its proper divisors (11386802978).

22112302222 is a wasteful number, since it uses less digits than its factorization.

22112302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79971.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22112302222 its reverse (22220321122), we get a palindrome (44332623344).

The spelling of 22112302222 in words is "twenty-two billion, one hundred twelve million, three hundred two thousand, two hundred twenty-two".