220222243 has 2 divisors, whose sum is σ = 220222244. Its totient is φ = 220222242.

The previous prime is 220222241. The next prime is 220222273. The reversal of 220222243 is 342222022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220222243 - 2¹ = 220222241 is a prime.

Together with 220222241, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220222243.

It is not a weakly prime, because it can be changed into another prime (220222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111121 + 110111122.

It is an arithmetic number, because the mean of its divisors is an integer number (110111122).

Almost surely, 2^220222243 is an apocalyptic number.

220222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

220222243 is an equidigital number, since it uses as much as digits as its factorization.

220222243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220222243 is about 14839.8868931000. The cubic root of 220222243 is about 603.8842838933.

Adding to 220222243 its reverse (342222022), we get a palindrome (562444265).

The spelling of 220222243 in words is "two hundred twenty million, two hundred twenty-two thousand, two hundred forty-three".