522225923 has 4 divisors (see below), whose sum is σ = 528093720. Its totient is φ = 516358128.

The previous prime is 522225917. The next prime is 522225937. The reversal of 522225923 is 329522225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522225923 - 2⁸ = 522225667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522225923.

It is not an unprimeable number, because it can be changed into a prime (522225973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933765 + ... + 2933942.

It is an arithmetic number, because the mean of its divisors is an integer number (132023430).

Almost surely, 2^522225923 is an apocalyptic number.

522225923 is a deficient number, since it is larger than the sum of its proper divisors (5867797).

522225923 is an equidigital number, since it uses as much as digits as its factorization.

522225923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867796.

The product of its digits is 21600, while the sum is 32.

The square root of 522225923 is about 22852.2629732812. The cubic root of 522225923 is about 805.2909319683.

The spelling of 522225923 in words is "five hundred twenty-two million, two hundred twenty-five thousand, nine hundred twenty-three".