242022089 has 2 divisors, whose sum is σ = 242022090. Its totient is φ = 242022088.

The previous prime is 242022049. The next prime is 242022097. The reversal of 242022089 is 980220242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151486864 + 90535225 = 12308^2 + 9515^2 .

It is a cyclic number.

It is not a de Polignac number, because 242022089 - 2⁸ = 242021833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242022049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121011044 + 121011045.

It is an arithmetic number, because the mean of its divisors is an integer number (121011045).

Almost surely, 2^242022089 is an apocalyptic number.

It is an amenable number.

242022089 is a deficient number, since it is larger than the sum of its proper divisors (1).

242022089 is an equidigital number, since it uses as much as digits as its factorization.

242022089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 242022089 is about 15557.0591372534. The cubic root of 242022089 is about 623.1869281318.

The spelling of 242022089 in words is "two hundred forty-two million, twenty-two thousand, eighty-nine".