242521222297 has 2 divisors, whose sum is σ = 242521222298. Its totient is φ = 242521222296.

The previous prime is 242521222289. The next prime is 242521222343. The reversal of 242521222297 is 792222125242.

242521222297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171366193296 + 71155029001 = 413964^2 + 266749^2 .

It is a cyclic number.

It is not a de Polignac number, because 242521222297 - 2³ = 242521222289 is a prime.

It is not a weakly prime, because it can be changed into another prime (242521222247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121260611148 + 121260611149.

It is an arithmetic number, because the mean of its divisors is an integer number (121260611149).

Almost surely, 2^242521222297 is an apocalyptic number.

It is an amenable number.

242521222297 is a deficient number, since it is larger than the sum of its proper divisors (1).

242521222297 is an equidigital number, since it uses as much as digits as its factorization.

242521222297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The spelling of 242521222297 in words is "two hundred forty-two billion, five hundred twenty-one million, two hundred twenty-two thousand, two hundred ninety-seven".