522291227 has 2 divisors, whose sum is σ = 522291228. Its totient is φ = 522291226.

The previous prime is 522291191. The next prime is 522291229. The reversal of 522291227 is 722192225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522291227 - 2⁶ = 522291163 is a prime.

Together with 522291229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 522291193 and 522291202.

It is not a weakly prime, because it can be changed into another prime (522291229) 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, 261145613 + 261145614.

It is an arithmetic number, because the mean of its divisors is an integer number (261145614).

Almost surely, 2^522291227 is an apocalyptic number.

522291227 is a deficient number, since it is larger than the sum of its proper divisors (1).

522291227 is an equidigital number, since it uses as much as digits as its factorization.

522291227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 522291227 is about 22853.6917586634. The cubic root of 522291227 is about 805.3244975989.

The spelling of 522291227 in words is "five hundred twenty-two million, two hundred ninety-one thousand, two hundred twenty-seven".