8522197 has 2 divisors, whose sum is σ = 8522198. Its totient is φ = 8522196.

The previous prime is 8522161. The next prime is 8522207. The reversal of 8522197 is 7912258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612081 + 910116 = 2759^2 + 954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8522197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8522147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4261098 + 4261099.

It is an arithmetic number, because the mean of its divisors is an integer number (4261099).

Almost surely, 2^8522197 is an apocalyptic number.

It is an amenable number.

8522197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8522197 is an equidigital number, since it uses as much as digits as its factorization.

8522197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 8522197 is about 2919.2802195062. The cubic root of 8522197 is about 204.2602487183.

The spelling of 8522197 in words is "eight million, five hundred twenty-two thousand, one hundred ninety-seven".