22100112223 has 4 divisors (see below), whose sum is σ = 25257271120. Its totient is φ = 18942953328.

The previous prime is 22100112193. The next prime is 22100112239. The reversal of 22100112223 is 32221100122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100112223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100112197 and 22100112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100112283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578579438 + ... + 1578579451.

It is an arithmetic number, because the mean of its divisors is an integer number (6314317780).

Almost surely, 2^22100112223 is an apocalyptic number.

22100112223 is a deficient number, since it is larger than the sum of its proper divisors (3157158897).

22100112223 is an equidigital number, since it uses as much as digits as its factorization.

22100112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157158896.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22100112223 its reverse (32221100122), we get a palindrome (54321212345).

The spelling of 22100112223 in words is "twenty-two billion, one hundred million, one hundred twelve thousand, two hundred twenty-three".