8223169 has 2 divisors, whose sum is σ = 8223170. Its totient is φ = 8223168.

The previous prime is 8223157. The next prime is 8223179. The reversal of 8223169 is 9613228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 3470769 = 2180^2 + 1863^2 .

It is a cyclic number.

It is not a de Polignac number, because 8223169 - 2¹⁵ = 8190401 is a prime.

It is a super-2 number, since 2×8223169² = 135241016805122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8223169.

It is not a weakly prime, because it can be changed into another prime (8223119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111584 + 4111585.

It is an arithmetic number, because the mean of its divisors is an integer number (4111585).

Almost surely, 2^8223169 is an apocalyptic number.

It is an amenable number.

8223169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223169 is an equidigital number, since it uses as much as digits as its factorization.

8223169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 8223169 is about 2867.6068419503. The cubic root of 8223169 is about 201.8427115942.

The spelling of 8223169 in words is "eight million, two hundred twenty-three thousand, one hundred sixty-nine".