22240324231 has 2 divisors, whose sum is σ = 22240324232. Its totient is φ = 22240324230.

The previous prime is 22240324217. The next prime is 22240324247. The reversal of 22240324231 is 13242304222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22240324231 - 2¹¹ = 22240322183 is a prime.

It is a super-2 number, since 2×22240324231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22240324196 and 22240324205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22240325231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120162115 + 11120162116.

It is an arithmetic number, because the mean of its divisors is an integer number (11120162116).

Almost surely, 2^22240324231 is an apocalyptic number.

22240324231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240324231 is an equidigital number, since it uses as much as digits as its factorization.

22240324231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22240324231 its reverse (13242304222), we get a palindrome (35482628453).

The spelling of 22240324231 in words is "twenty-two billion, two hundred forty million, three hundred twenty-four thousand, two hundred thirty-one".