22312112223 has 8 divisors (see below), whose sum is σ = 29817251200. Its totient is φ = 14840857368.

The previous prime is 22312112153. The next prime is 22312112261. The reversal of 22312112223 is 32221121322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22312112223 is a prime.

It is a super-3 number, since 3×22312112223³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22312112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312112293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8469493 + ... + 8472126.

It is an arithmetic number, because the mean of its divisors is an integer number (3727156400).

Almost surely, 2^22312112223 is an apocalyptic number.

22312112223 is a deficient number, since it is larger than the sum of its proper divisors (7505138977).

22312112223 is a wasteful number, since it uses less digits than its factorization.

22312112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16942061.

The product of its digits is 576, while the sum is 21.

Adding to 22312112223 its reverse (32221121322), we get a palindrome (54533233545).

Subtracting 22312112223 from its reverse (32221121322), we obtain a palindrome (9909009099).

The spelling of 22312112223 in words is "twenty-two billion, three hundred twelve million, one hundred twelve thousand, two hundred twenty-three".