8522245 has 4 divisors (see below), whose sum is σ = 10226700. Its totient is φ = 6817792.

The previous prime is 8522237. The next prime is 8522251. The reversal of 8522245 is 5422258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5303809 + 3218436 = 2303^2 + 1794^2 .

It is a cyclic number.

It is not a de Polignac number, because 8522245 - 2³ = 8522237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852220 + ... + 852229.

It is an arithmetic number, because the mean of its divisors is an integer number (2556675).

Almost surely, 2^8522245 is an apocalyptic number.

It is an amenable number.

8522245 is a deficient number, since it is larger than the sum of its proper divisors (1704455).

8522245 is a wasteful number, since it uses less digits than its factorization.

8522245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704454.

The product of its digits is 6400, while the sum is 28.

The square root of 8522245 is about 2919.2884406992. The cubic root of 8522245 is about 204.2606322060.

The spelling of 8522245 in words is "eight million, five hundred twenty-two thousand, two hundred forty-five".