522040225 has 24 divisors (see below), whose sum is σ = 746380800. Its totient is φ = 354789120.

The previous prime is 522040213. The next prime is 522040243.

It is a happy number.

522040225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522040225 - 2⁵ = 522040193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522040196 and 522040205.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6576 + ... + 32974.

It is an arithmetic number, because the mean of its divisors is an integer number (31099200).

Almost surely, 2^522040225 is an apocalyptic number.

It is an amenable number.

522040225 is a deficient number, since it is larger than the sum of its proper divisors (224340575).

522040225 is a wasteful number, since it uses less digits than its factorization.

522040225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26529 (or 26524 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 522040225 is about 22848.1996008438. The cubic root of 522040225 is about 805.1954696806.

The spelling of 522040225 in words is "five hundred twenty-two million, forty thousand, two hundred twenty-five".