522210001 has 2 divisors, whose sum is σ = 522210002. Its totient is φ = 522210000.

The previous prime is 522209999. The next prime is 522210023. The reversal of 522210001 is 100012225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477641025 + 44568976 = 21855^2 + 6676^2 .

It is a cyclic number.

It is not a de Polignac number, because 522210001 - 2¹ = 522209999 is a prime.

Together with 522209999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (522213001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261105000 + 261105001.

It is an arithmetic number, because the mean of its divisors is an integer number (261105001).

Almost surely, 2^522210001 is an apocalyptic number.

It is an amenable number.

522210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

522210001 is an equidigital number, since it uses as much as digits as its factorization.

522210001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 522210001 is about 22851.9146025010. The cubic root of 522210001 is about 805.2827477886.

Adding to 522210001 its reverse (100012225), we get a palindrome (622222226).

The spelling of 522210001 in words is "five hundred twenty-two million, two hundred ten thousand, one".