242242243 has 2 divisors, whose sum is σ = 242242244. Its totient is φ = 242242242.

The previous prime is 242242241. The next prime is 242242291. The reversal of 242242243 is 342242242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242242243 - 2¹ = 242242241 is a prime.

Together with 242242241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242242241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121121121 + 121121122.

It is an arithmetic number, because the mean of its divisors is an integer number (121121122).

Almost surely, 2^242242243 is an apocalyptic number.

242242243 is a deficient number, since it is larger than the sum of its proper divisors (1).

242242243 is an equidigital number, since it uses as much as digits as its factorization.

242242243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 25.

The square root of 242242243 is about 15564.1332235367. The cubic root of 242242243 is about 623.3758303327.

Adding to 242242243 its reverse (342242242), we get a palindrome (584484485).

Subtracting 242242243 from its reverse (342242242), we obtain a palindrome (99999999).

The spelling of 242242243 in words is "two hundred forty-two million, two hundred forty-two thousand, two hundred forty-three".