8564225 has 6 divisors (see below), whose sum is σ = 10619670. Its totient is φ = 6851360.

The previous prime is 8564221. The next prime is 8564273. The reversal of 8564225 is 5224658.

8564225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1100401 + 7463824 = 1049^2 + 2732^2 .

It is not a de Polignac number, because 8564225 - 2² = 8564221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8564191 and 8564200.

It is not an unprimeable number, because it can be changed into a prime (8564221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171260 + ... + 171309.

It is an arithmetic number, because the mean of its divisors is an integer number (1769945).

Almost surely, 2^8564225 is an apocalyptic number.

It is an amenable number.

8564225 is a deficient number, since it is larger than the sum of its proper divisors (2055445).

8564225 is a wasteful number, since it uses less digits than its factorization.

8564225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342579 (or 342574 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 8564225 is about 2926.4697162281. The cubic root of 8564225 is about 204.5954743365.

The spelling of 8564225 in words is "eight million, five hundred sixty-four thousand, two hundred twenty-five".