242203545567217 has 8 divisors (see below), whose sum is σ = 260834718180456. Its totient is φ = 223572391617792.

The previous prime is 242203545567173. The next prime is 242203545567239. The reversal of 242203545567217 is 712765545302242.

It can be written as a sum of positive squares in 4 ways, for example, as 2898765035776 + 239304780531441 = 1702576^2 + 15469479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242203545567217 - 2⁷ = 242203545567089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242203545567617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34402203 + ... + 40840159.

It is an arithmetic number, because the mean of its divisors is an integer number (32604339772557).

Almost surely, 2^{242203545567217} is an apocalyptic number.

It is an amenable number.

242203545567217 is a deficient number, since it is larger than the sum of its proper divisors (18631172613239).

242203545567217 is a wasteful number, since it uses less digits than its factorization.

242203545567217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331907.

The product of its (nonzero) digits is 28224000, while the sum is 55.

The spelling of 242203545567217 in words is "two hundred forty-two trillion, two hundred three billion, five hundred forty-five million, five hundred sixty-seven thousand, two hundred seventeen".