522630622 has 16 divisors (see below), whose sum is σ = 789620832. Its totient is φ = 259428960.

The previous prime is 522630617. The next prime is 522630623. The reversal of 522630622 is 226036225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522630623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349308 + ... + 350800.

It is an arithmetic number, because the mean of its divisors is an integer number (49351302).

Almost surely, 2^522630622 is an apocalyptic number.

522630622 is a deficient number, since it is larger than the sum of its proper divisors (266990210).

522630622 is a wasteful number, since it uses less digits than its factorization.

522630622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 522630622 is about 22861.1159395162. The cubic root of 522630622 is about 805.4988983364.

Adding to 522630622 its reverse (226036225), we get a palindrome (748666847).

The spelling of 522630622 in words is "five hundred twenty-two million, six hundred thirty thousand, six hundred twenty-two".