522023320225 has 48 divisors (see below), whose sum is σ = 720074519424. Its totient is φ = 372242880000.

The previous prime is 522023320211. The next prime is 522023320237.

522023320225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522023320225 - 2¹⁷ = 522023189153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522023320193 and 522023320202.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2769589 + ... + 2952061.

It is an arithmetic number, because the mean of its divisors is an integer number (15001552488).

Almost surely, 2^522023320225 is an apocalyptic number.

522023320225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522023320225 is a deficient number, since it is larger than the sum of its proper divisors (198051199199).

522023320225 is a wasteful number, since it uses less digits than its factorization.

522023320225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182698 (or 182693 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

It can be divided in two parts, 522023 and 320225, that added together give a palindrome (842248).

The spelling of 522023320225 in words is "five hundred twenty-two billion, twenty-three million, three hundred twenty thousand, two hundred twenty-five".