2232112321 has 2 divisors, whose sum is σ = 2232112322. Its totient is φ = 2232112320.

The previous prime is 2232112319. The next prime is 2232112361. The reversal of 2232112321 is 1232112322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2224159921 + 7952400 = 47161^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232112321 - 2¹ = 2232112319 is a prime.

It is a super-3 number, since 3×2232112321³ (a number of 29 digits) contains 333 as substring.

Together with 2232112319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2232112361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116056160 + 1116056161.

It is an arithmetic number, because the mean of its divisors is an integer number (1116056161).

Almost surely, 2^2232112321 is an apocalyptic number.

It is an amenable number.

2232112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232112321 is an equidigital number, since it uses as much as digits as its factorization.

2232112321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 2232112321 is about 47245.2359608882. The cubic root of 2232112321 is about 1306.8889368852. Note that the first 3 decimals are identical.

Adding to 2232112321 its reverse (1232112322), we get a palindrome (3464224643).

Subtracting from 2232112321 its reverse (1232112322), we obtain a palindrome (999999999).

The spelling of 2232112321 in words is "two billion, two hundred thirty-two million, one hundred twelve thousand, three hundred twenty-one".