522225 has 36 divisors (see below), whose sum is σ = 1025232. Its totient is φ = 252000.

The previous prime is 522211. The next prime is 522227.

522225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522225 - 2⁶ = 522161 is a prime.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 522198 and 522207.

It is not an unprimeable number, because it can be changed into a prime (522227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2370 + ... + 2580.

2⁵²²²²⁵ is an apocalyptic number.

522225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522225 is a deficient number, since it is larger than the sum of its proper divisors (503007).

522225 is a wasteful number, since it uses less digits than its factorization.

522225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 230 counting only the distinct ones).

The product of its digits is 400, while the sum is 18.

The square root of 522225 is about 722.6513682268. The cubic root of 522225 is about 80.5290457535.

It can be divided in two parts, 522 and 225, that added together give a palindrome (747).

The spelling of 522225 in words is "five hundred twenty-two thousand, two hundred twenty-five".