22303321231 has 2 divisors, whose sum is σ = 22303321232. Its totient is φ = 22303321230.

The previous prime is 22303321219. The next prime is 22303321267. The reversal of 22303321231 is 13212330322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22303321231 - 2⁵ = 22303321199 is a prime.

It is a super-2 number, since 2×22303321231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22303324231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151660615 + 11151660616.

It is an arithmetic number, because the mean of its divisors is an integer number (11151660616).

Almost surely, 2^22303321231 is an apocalyptic number.

22303321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303321231 is an equidigital number, since it uses as much as digits as its factorization.

22303321231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22303321231 its reverse (13212330322), we get a palindrome (35515651553).

Subtracting from 22303321231 its reverse (13212330322), we obtain a palindrome (9090990909).

The spelling of 22303321231 in words is "twenty-two billion, three hundred three million, three hundred twenty-one thousand, two hundred thirty-one".