22231003321 has 2 divisors, whose sum is σ = 22231003322. Its totient is φ = 22231003320.

The previous prime is 22231003259. The next prime is 22231003339. The reversal of 22231003321 is 12330013222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12931101225 + 9299902096 = 113715^2 + 96436^2 .

It is a cyclic number.

It is not a de Polignac number, because 22231003321 - 2²⁷ = 22096785593 is a prime.

It is not a weakly prime, because it can be changed into another prime (22231003021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115501660 + 11115501661.

It is an arithmetic number, because the mean of its divisors is an integer number (11115501661).

Almost surely, 2^22231003321 is an apocalyptic number.

It is an amenable number.

22231003321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231003321 is an equidigital number, since it uses as much as digits as its factorization.

22231003321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22231003321 its reverse (12330013222), we get a palindrome (34561016543).

Subtracting from 22231003321 its reverse (12330013222), we obtain a palindrome (9900990099).

The spelling of 22231003321 in words is "twenty-two billion, two hundred thirty-one million, three thousand, three hundred twenty-one".