17223161 has 2 divisors, whose sum is σ = 17223162. Its totient is φ = 17223160.

The previous prime is 17223149. The next prime is 17223179. The reversal of 17223161 is 16132271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 4227136 = 3605^2 + 2056^2 .

It is an emirp because it is prime and its reverse (16132271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17223161 - 2¹⁰ = 17222137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17223131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8611580 + 8611581.

It is an arithmetic number, because the mean of its divisors is an integer number (8611581).

Almost surely, 2^17223161 is an apocalyptic number.

It is an amenable number.

17223161 is a deficient number, since it is larger than the sum of its proper divisors (1).

17223161 is an equidigital number, since it uses as much as digits as its factorization.

17223161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 17223161 is about 4150.0796377901. The cubic root of 17223161 is about 258.2483886748.

The spelling of 17223161 in words is "seventeen million, two hundred twenty-three thousand, one hundred sixty-one".