522201217 has 2 divisors, whose sum is σ = 522201218. Its totient is φ = 522201216.

The previous prime is 522201203. The next prime is 522201221. The reversal of 522201217 is 712102225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489471376 + 32729841 = 22124^2 + 5721^2 .

It is a cyclic number.

It is not a de Polignac number, because 522201217 - 2¹⁹ = 521676929 is a prime.

It is a super-2 number, since 2×522201217² = 545388222072562178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (522201227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261100608 + 261100609.

It is an arithmetic number, because the mean of its divisors is an integer number (261100609).

Almost surely, 2^522201217 is an apocalyptic number.

It is an amenable number.

522201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

522201217 is an equidigital number, since it uses as much as digits as its factorization.

522201217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 522201217 is about 22851.7224077311. The cubic root of 522201217 is about 805.2782325914.

The spelling of 522201217 in words is "five hundred twenty-two million, two hundred one thousand, two hundred seventeen".