522201601 has 2 divisors, whose sum is σ = 522201602. Its totient is φ = 522201600.

The previous prime is 522201587. The next prime is 522201607. The reversal of 522201601 is 106102225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418161601 + 104040000 = 20449^2 + 10200^2 .

It is a cyclic number.

It is not a de Polignac number, because 522201601 - 2⁵ = 522201569 is a prime.

It is not a weakly prime, because it can be changed into another prime (522201607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261100800 + 261100801.

It is an arithmetic number, because the mean of its divisors is an integer number (261100801).

Almost surely, 2^522201601 is an apocalyptic number.

It is an amenable number.

522201601 is a deficient number, since it is larger than the sum of its proper divisors (1).

522201601 is an equidigital number, since it uses as much as digits as its factorization.

522201601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 522201601 is about 22851.7308097221. The cubic root of 522201601 is about 805.2784299781.

Adding to 522201601 its reverse (106102225), we get a palindrome (628303826).

The spelling of 522201601 in words is "five hundred twenty-two million, two hundred one thousand, six hundred one".