8569225 has 24 divisors (see below), whose sum is σ = 12677760. Its totient is φ = 5617920.

The previous prime is 8569201. The next prime is 8569229. The reversal of 8569225 is 5229658.

It is a happy number.

It is not a de Polignac number, because 8569225 - 2⁵ = 8569193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8569229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2961 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (528240).

Almost surely, 2^8569225 is an apocalyptic number.

It is an amenable number.

8569225 is a deficient number, since it is larger than the sum of its proper divisors (4108535).

8569225 is a wasteful number, since it uses less digits than its factorization.

8569225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2164 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 8569225 is about 2927.3238631897. The cubic root of 8569225 is about 204.6352825058.

The spelling of 8569225 in words is "eight million, five hundred sixty-nine thousand, two hundred twenty-five".