222232112321 has 8 divisors (see below), whose sum is σ = 225766782144. Its totient is φ = 218708682640.

The previous prime is 222232112309. The next prime is 222232112353. The reversal of 222232112321 is 123211232222.

It is a happy number.

222232112321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222232112321 is a prime.

It is a super-2 number, since 2×222232112321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222232112021) 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 7 ways as a sum of consecutive naturals, for example, 2770175 + ... + 2849268.

It is an arithmetic number, because the mean of its divisors is an integer number (28220847768).

Almost surely, 2^222232112321 is an apocalyptic number.

It is an amenable number.

222232112321 is a deficient number, since it is larger than the sum of its proper divisors (3534669823).

222232112321 is an equidigital number, since it uses as much as digits as its factorization.

222232112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620071.

The product of its digits is 1152, while the sum is 23.

Adding to 222232112321 its reverse (123211232222), we get a palindrome (345443344543).

The spelling of 222232112321 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, three hundred twenty-one".