8242225 has 12 divisors (see below), whose sum is σ = 10257280. Its totient is φ = 6570000.

The previous prime is 8242217. The next prime is 8242243. The reversal of 8242225 is 5222428.

It is not a de Polignac number, because 8242225 - 2³ = 8242217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 8242225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10600 + ... + 11350.

Almost surely, 2^8242225 is an apocalyptic number.

It is an amenable number.

8242225 is a deficient number, since it is larger than the sum of its proper divisors (2015055).

8242225 is a wasteful number, since it uses less digits than its factorization.

8242225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1195 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 8242225 is about 2870.9275504617. The cubic root of 8242225 is about 201.9985050375.

The spelling of 8242225 in words is "eight million, two hundred forty-two thousand, two hundred twenty-five".