8522247 has 8 divisors (see below), whose sum is σ = 11670256. Its totient is φ = 5527872.

The previous prime is 8522237. The next prime is 8522251. The reversal of 8522247 is 7422258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8522247 - 2⁷ = 8522119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8522207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38278 + ... + 38499.

It is an arithmetic number, because the mean of its divisors is an integer number (1458782).

Almost surely, 2^8522247 is an apocalyptic number.

8522247 is a deficient number, since it is larger than the sum of its proper divisors (3148009).

8522247 is a wasteful number, since it uses less digits than its factorization.

8522247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76817.

The product of its digits is 8960, while the sum is 30.

The square root of 8522247 is about 2919.2887832484. The cubic root of 8522247 is about 204.2606481846.

The spelling of 8522247 in words is "eight million, five hundred twenty-two thousand, two hundred forty-seven".