522320995 has 32 divisors (see below), whose sum is σ = 729308160. Its totient is φ = 351734400.

The previous prime is 522320983. The next prime is 522320999. The reversal of 522320995 is 599023225.

It is not a de Polignac number, because 522320995 - 2⁷ = 522320867 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (522320999) 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 in 31 ways as a sum of consecutive naturals, for example, 490834 + ... + 491896.

It is an arithmetic number, because the mean of its divisors is an integer number (22790880).

Almost surely, 2^522320995 is an apocalyptic number.

522320995 is a deficient number, since it is larger than the sum of its proper divisors (206987165).

522320995 is a wasteful number, since it uses less digits than its factorization.

522320995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 522320995 is about 22854.3430227167. The cubic root of 522320995 is about 805.3397971374.

The spelling of 522320995 in words is "five hundred twenty-two million, three hundred twenty thousand, nine hundred ninety-five".