8122225 has 6 divisors (see below), whose sum is σ = 10071590. Its totient is φ = 6497760.

The previous prime is 8122207. The next prime is 8122237. The reversal of 8122225 is 5222218.

It can be written as a sum of positive squares in 3 ways, for example, as 349281 + 7772944 = 591^2 + 2788^2 .

It is not a de Polignac number, because 8122225 - 2⁵ = 8122193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8122196 and 8122205.

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 5 ways as a sum of consecutive naturals, for example, 162420 + ... + 162469.

Almost surely, 2^8122225 is an apocalyptic number.

It is an amenable number.

8122225 is a deficient number, since it is larger than the sum of its proper divisors (1949365).

8122225 is a wasteful number, since it uses less digits than its factorization.

8122225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324899 (or 324894 counting only the distinct ones).

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

The square root of 8122225 is about 2849.9517539776. The cubic root of 8122225 is about 201.0133981152.

The spelling of 8122225 in words is "eight million, one hundred twenty-two thousand, two hundred twenty-five".