9228169 has 2 divisors, whose sum is σ = 9228170. Its totient is φ = 9228168.

The previous prime is 9228151. The next prime is 9228181. The reversal of 9228169 is 9618229.

9228169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9072144 + 156025 = 3012^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 9228169 - 2⁷ = 9228041 is a prime.

It is a super-2 number, since 2×9228169² = 170318206185122, which contains 22 as substring.

It is a Chen prime.

9228169 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9228139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4614084 + 4614085.

It is an arithmetic number, because the mean of its divisors is an integer number (4614085).

Almost surely, 2^9228169 is an apocalyptic number.

It is an amenable number.

9228169 is a deficient number, since it is larger than the sum of its proper divisors (1).

9228169 is an equidigital number, since it uses as much as digits as its factorization.

9228169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 9228169 is about 3037.7901507510. The cubic root of 9228169 is about 209.7515504703.

The spelling of 9228169 in words is "nine million, two hundred twenty-eight thousand, one hundred sixty-nine".