22232112321 has 16 divisors (see below), whose sum is σ = 31414690944. Its totient is φ = 13937036544.

The previous prime is 22232112319. The next prime is 22232112323. The reversal of 22232112321 is 12321123222.

It is an interprime number because it is at equal distance from previous prime (22232112319) and next prime (22232112323).

It is not a de Polignac number, because 22232112321 - 2¹ = 22232112319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22232112323) 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, 138165 + ... + 252098.

It is an arithmetic number, because the mean of its divisors is an integer number (1963418184).

Almost surely, 2^22232112321 is an apocalyptic number.

It is an amenable number.

22232112321 is a deficient number, since it is larger than the sum of its proper divisors (9182578623).

22232112321 is a wasteful number, since it uses less digits than its factorization.

22232112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391400.

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

Adding to 22232112321 its reverse (12321123222), we get a palindrome (34553235543).

The spelling of 22232112321 in words is "twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, three hundred twenty-one".