814225 has 6 divisors (see below), whose sum is σ = 1009670. Its totient is φ = 651360.

The previous prime is 814213. The next prime is 814237. The reversal of 814225 is 522418.

It is an interprime number because it is at equal distance from previous prime (814213) and next prime (814237).

It can be written as a sum of positive squares in 3 ways, for example, as 238144 + 576081 = 488^2 + 759^2 .

It is not a de Polignac number, because 814225 - 2⁵ = 814193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 814196 and 814205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16260 + ... + 16309.

2⁸¹⁴²²⁵ is an apocalyptic number.

It is an amenable number.

814225 is a deficient number, since it is larger than the sum of its proper divisors (195445).

814225 is a wasteful number, since it uses less digits than its factorization.

814225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32579 (or 32574 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 814225 is about 902.3441693722. The cubic root of 814225 is about 93.3787689776.

It can be divided in two parts, 81 and 4225, that multiplied together give a square (342225 = 585²).

The spelling of 814225 in words is "eight hundred fourteen thousand, two hundred twenty-five".