22122122122223 has 16 divisors (see below), whose sum is σ = 22613583089664. Its totient is φ = 21631536067680.

The previous prime is 22122122122207. The next prime is 22122122122229. The reversal of 22122122122223 is 32222122122122.

It is a cyclic number.

It is not a de Polignac number, because 22122122122223 - 2⁴ = 22122122122207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22122122122192 and 22122122122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122122122229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232017986 + ... + 232113312.

It is an arithmetic number, because the mean of its divisors is an integer number (1413348943104).

Almost surely, 2^{22122122122223} is an apocalyptic number.

22122122122223 is a deficient number, since it is larger than the sum of its proper divisors (491460967441).

22122122122223 is a wasteful number, since it uses less digits than its factorization.

22122122122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99862.

The product of its digits is 3072, while the sum is 26.

Adding to 22122122122223 its reverse (32222122122122), we get a palindrome (54344244244345).

The spelling of 22122122122223 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".