8223165 has 24 divisors (see below), whose sum is σ = 14604408. Its totient is φ = 4277760.

The previous prime is 8223157. The next prime is 8223169. The reversal of 8223165 is 5613228.

It can be written as a sum of positive squares in 4 ways, for example, as 168921 + 8054244 = 411^2 + 2838^2 .

It is not a de Polignac number, because 8223165 - 2³ = 8223157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (608517).

Almost surely, 2^8223165 is an apocalyptic number.

It is an amenable number.

8223165 is a deficient number, since it is larger than the sum of its proper divisors (6381243).

8223165 is a wasteful number, since it uses less digits than its factorization.

8223165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509 (or 4506 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 8223165 is about 2867.6061445045. The cubic root of 8223165 is about 201.8426788667.

The spelling of 8223165 in words is "eight million, two hundred twenty-three thousand, one hundred sixty-five".