2222222243 has 2 divisors, whose sum is σ = 2222222244. Its totient is φ = 2222222242.

The previous prime is 2222222137. The next prime is 2222222267. The reversal of 2222222243 is 3422222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2222222243 - 2⁸ = 2222221987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222228243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111111121 + 1111111122.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111122).

Almost surely, 2^2222222243 is an apocalyptic number.

2222222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222222243 is an equidigital number, since it uses as much as digits as its factorization.

2222222243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 23.

The square root of 2222222243 is about 47140.4522994848. The cubic root of 2222222243 is about 1304.9558844567.

Adding to 2222222243 its reverse (3422222222), we get a palindrome (5644444465).

The spelling of 2222222243 in words is "two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred forty-three".