22303230331 has 2 divisors, whose sum is σ = 22303230332. Its totient is φ = 22303230330.

The previous prime is 22303230317. The next prime is 22303230343. The reversal of 22303230331 is 13303230322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22303230331 - 2²⁵ = 22269675899 is a prime.

It is a super-2 number, since 2×22303230331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22303230311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151615165 + 11151615166.

It is an arithmetic number, because the mean of its divisors is an integer number (11151615166).

Almost surely, 2^22303230331 is an apocalyptic number.

22303230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303230331 is an equidigital number, since it uses as much as digits as its factorization.

22303230331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 22303230331 its reverse (13303230322), we get a palindrome (35606460653).

Subtracting from 22303230331 its reverse (13303230322), we obtain a palindrome (9000000009).

The spelling of 22303230331 in words is "twenty-two billion, three hundred three million, two hundred thirty thousand, three hundred thirty-one".