522228013 has 2 divisors, whose sum is σ = 522228014. Its totient is φ = 522228012.

The previous prime is 522227929. The next prime is 522228037. The reversal of 522228013 is 310822225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436517449 + 85710564 = 20893^2 + 9258^2 .

It is a cyclic number.

It is not a de Polignac number, because 522228013 - 2⁹ = 522227501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522228043) 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, 261114006 + 261114007.

It is an arithmetic number, because the mean of its divisors is an integer number (261114007).

Almost surely, 2^522228013 is an apocalyptic number.

It is an amenable number.

522228013 is a deficient number, since it is larger than the sum of its proper divisors (1).

522228013 is an equidigital number, since it uses as much as digits as its factorization.

522228013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 522228013 is about 22852.3087017483. The cubic root of 522228013 is about 805.2920062517.

The spelling of 522228013 in words is "five hundred twenty-two million, two hundred twenty-eight thousand, thirteen".