8224189 has 2 divisors, whose sum is σ = 8224190. Its totient is φ = 8224188.

The previous prime is 8224171. The next prime is 8224211. The reversal of 8224189 is 9814228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 412164 = 2795^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 8224189 - 2⁵ = 8224157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8224289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112094 + 4112095.

It is an arithmetic number, because the mean of its divisors is an integer number (4112095).

Almost surely, 2^8224189 is an apocalyptic number.

It is an amenable number.

8224189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8224189 is an equidigital number, since it uses as much as digits as its factorization.

8224189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 8224189 is about 2867.7846850836. The cubic root of 8224189 is about 201.8510567571.

The spelling of 8224189 in words is "eight million, two hundred twenty-four thousand, one hundred eighty-nine".