522241217 has 2 divisors, whose sum is σ = 522241218. Its totient is φ = 522241216.

The previous prime is 522241211. The next prime is 522241267. The reversal of 522241217 is 712142225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343323841 + 178917376 = 18529^2 + 13376^2 .

It is a cyclic number.

It is not a de Polignac number, because 522241217 - 2¹⁰ = 522240193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522241211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261120608 + 261120609.

It is an arithmetic number, because the mean of its divisors is an integer number (261120609).

Almost surely, 2^522241217 is an apocalyptic number.

It is an amenable number.

522241217 is a deficient number, since it is larger than the sum of its proper divisors (1).

522241217 is an equidigital number, since it uses as much as digits as its factorization.

522241217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 26.

The square root of 522241217 is about 22852.5975985226. The cubic root of 522241217 is about 805.2987931888.

The spelling of 522241217 in words is "five hundred twenty-two million, two hundred forty-one thousand, two hundred seventeen".