843225 has 12 divisors (see below), whose sum is σ = 1394256. Its totient is φ = 449680.

The previous prime is 843211. The next prime is 843229. The reversal of 843225 is 522348.

It is not a de Polignac number, because 843225 - 2⁴ = 843209 is a prime.

It is a super-2 number, since 2×843225² = 1422056801250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 843195 and 843204.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 843225.

It is not an unprimeable number, because it can be changed into a prime (843229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5547 + ... + 5696.

It is an arithmetic number, because the mean of its divisors is an integer number (116188).

2⁸⁴³²²⁵ is an apocalyptic number.

It is an amenable number.

843225 is a deficient number, since it is larger than the sum of its proper divisors (551031).

843225 is a wasteful number, since it uses less digits than its factorization.

843225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11256 (or 11251 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 843225 is about 918.2728352728. The cubic root of 843225 is about 94.4744759039.

The spelling of 843225 in words is "eight hundred forty-three thousand, two hundred twenty-five".