8225189 has 6 divisors (see below), whose sum is σ = 9568134. Its totient is φ = 7050120.

The previous prime is 8225177. The next prime is 8225201. The reversal of 8225189 is 9815228.

It is an interprime number because it is at equal distance from previous prime (8225177) and next prime (8225201).

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 148225 = 2842^2 + 385^2 .

It is not a de Polignac number, because 8225189 - 2⁸ = 8224933 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 (8225149) 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, 83882 + ... + 83979.

It is an arithmetic number, because the mean of its divisors is an integer number (1594689).

Almost surely, 2^8225189 is an apocalyptic number.

It is an amenable number.

8225189 is a deficient number, since it is larger than the sum of its proper divisors (1342945).

8225189 is a wasteful number, since it uses less digits than its factorization.

8225189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167875 (or 167868 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 8225189 is about 2867.9590303908. The cubic root of 8225189 is about 201.8592376195.

The spelling of 8225189 in words is "eight million, two hundred twenty-five thousand, one hundred eighty-nine".