22241240243 has 2 divisors, whose sum is σ = 22241240244. Its totient is φ = 22241240242.

The previous prime is 22241240239. The next prime is 22241240293. The reversal of 22241240243 is 34204214222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22241240243 - 2² = 22241240239 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22241240293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120620121 + 11120620122.

It is an arithmetic number, because the mean of its divisors is an integer number (11120620122).

Almost surely, 2^22241240243 is an apocalyptic number.

22241240243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241240243 is an equidigital number, since it uses as much as digits as its factorization.

22241240243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22241240243 its reverse (34204214222), we get a palindrome (56445454465).

The spelling of 22241240243 in words is "twenty-two billion, two hundred forty-one million, two hundred forty thousand, two hundred forty-three".