242244222191 has 2 divisors, whose sum is σ = 242244222192. Its totient is φ = 242244222190.

The previous prime is 242244222149. The next prime is 242244222251. The reversal of 242244222191 is 191222442242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242244222191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242244222391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121122111095 + 121122111096.

It is an arithmetic number, because the mean of its divisors is an integer number (121122111096).

Almost surely, 2^242244222191 is an apocalyptic number.

242244222191 is a deficient number, since it is larger than the sum of its proper divisors (1).

242244222191 is an equidigital number, since it uses as much as digits as its factorization.

242244222191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 35.

The spelling of 242244222191 in words is "two hundred forty-two billion, two hundred forty-four million, two hundred twenty-two thousand, one hundred ninety-one".