522351223 has 2 divisors, whose sum is σ = 522351224. Its totient is φ = 522351222.

The previous prime is 522351187. The next prime is 522351227. The reversal of 522351223 is 322153225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522351223 - 2⁹ = 522350711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522351227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261175611 + 261175612.

It is an arithmetic number, because the mean of its divisors is an integer number (261175612).

Almost surely, 2^522351223 is an apocalyptic number.

522351223 is a deficient number, since it is larger than the sum of its proper divisors (1).

522351223 is an equidigital number, since it uses as much as digits as its factorization.

522351223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 522351223 is about 22855.0043316557. The cubic root of 522351223 is about 805.3553325023.

The spelling of 522351223 in words is "five hundred twenty-two million, three hundred fifty-one thousand, two hundred twenty-three".