242221363122229 has 2 divisors, whose sum is σ = 242221363122230. Its totient is φ = 242221363122228.

The previous prime is 242221363122227. The next prime is 242221363122247. The reversal of 242221363122229 is 922221363122242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153312116233329 + 88909246888900 = 12381927^2 + 9429170^2 .

It is a cyclic number.

It is not a de Polignac number, because 242221363122229 - 2¹ = 242221363122227 is a prime.

Together with 242221363122227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242221363122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121110681561114 + 121110681561115.

It is an arithmetic number, because the mean of its divisors is an integer number (121110681561115).

Almost surely, 2^{242221363122229} is an apocalyptic number.

It is an amenable number.

242221363122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

242221363122229 is an equidigital number, since it uses as much as digits as its factorization.

242221363122229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 43.

The spelling of 242221363122229 in words is "two hundred forty-two trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred twenty-two thousand, two hundred twenty-nine".