22303232321 has 2 divisors, whose sum is σ = 22303232322. Its totient is φ = 22303232320.

The previous prime is 22303232309. The next prime is 22303232359. The reversal of 22303232321 is 12323230322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22201000000 + 102232321 = 149000^2 + 10111^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303232321 - 2¹⁰ = 22303231297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22303235321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151616160 + 11151616161.

It is an arithmetic number, because the mean of its divisors is an integer number (11151616161).

Almost surely, 2^22303232321 is an apocalyptic number.

It is an amenable number.

22303232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303232321 is an equidigital number, since it uses as much as digits as its factorization.

22303232321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22303232321 its reverse (12323230322), we get a palindrome (34626462643).

The spelling of 22303232321 in words is "twenty-two billion, three hundred three million, two hundred thirty-two thousand, three hundred twenty-one".