522303522 has 64 divisors (see below), whose sum is σ = 1145781504. Its totient is φ = 157766400.

The previous prime is 522303503. The next prime is 522303547. The reversal of 522303522 is 225303225.

It is a junction number, because it is equal to n+sod(n) for n = 522303492 and 522303501.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1315428 + ... + 1315824.

It is an arithmetic number, because the mean of its divisors is an integer number (17902836).

Almost surely, 2^522303522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522303522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572890752).

522303522 is an abundant number, since it is smaller than the sum of its proper divisors (623477982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522303522 is a wasteful number, since it uses less digits than its factorization.

522303522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 522303522 is about 22853.9607508195. The cubic root of 522303522 is about 805.3308167981.

Adding to 522303522 its reverse (225303225), we get a palindrome (747606747).

The spelling of 522303522 in words is "five hundred twenty-two million, three hundred three thousand, five hundred twenty-two".