522320374 has 16 divisors (see below), whose sum is σ = 825292080. Its totient is φ = 247242240.

The previous prime is 522320371. The next prime is 522320387. The reversal of 522320374 is 473023225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522320371) 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, 62694 + ... + 70534.

It is an arithmetic number, because the mean of its divisors is an integer number (51580755).

Almost surely, 2^522320374 is an apocalyptic number.

522320374 is a deficient number, since it is larger than the sum of its proper divisors (302971706).

522320374 is a wasteful number, since it uses less digits than its factorization.

522320374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 522320374 is about 22854.3294366735. The cubic root of 522320374 is about 805.3394779746.

Adding to 522320374 its reverse (473023225), we get a palindrome (995343599).

The spelling of 522320374 in words is "five hundred twenty-two million, three hundred twenty thousand, three hundred seventy-four".