234221222243 has 2 divisors, whose sum is σ = 234221222244. Its totient is φ = 234221222242.

The previous prime is 234221222233. The next prime is 234221222281. The reversal of 234221222243 is 342222122432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234221222243 - 2⁸ = 234221221987 is a prime.

It is not a weakly prime, because it can be changed into another prime (234221222203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117110611121 + 117110611122.

It is an arithmetic number, because the mean of its divisors is an integer number (117110611122).

Almost surely, 2^234221222243 is an apocalyptic number.

234221222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

234221222243 is an equidigital number, since it uses as much as digits as its factorization.

234221222243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 29.

Adding to 234221222243 its reverse (342222122432), we get a palindrome (576443344675).

The spelling of 234221222243 in words is "two hundred thirty-four billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred forty-three".