17228161 has 4 divisors (see below), whose sum is σ = 17354052. Its totient is φ = 17102272.

The previous prime is 17228153. The next prime is 17228207. The reversal of 17228161 is 16182271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13690000 + 3538161 = 3700^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 17228161 - 2³ = 17228153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17228111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62740 + ... + 63013.

It is an arithmetic number, because the mean of its divisors is an integer number (4338513).

Almost surely, 2^17228161 is an apocalyptic number.

It is an amenable number.

17228161 is a deficient number, since it is larger than the sum of its proper divisors (125891).

17228161 is a wasteful number, since it uses less digits than its factorization.

17228161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125890.

The product of its digits is 1344, while the sum is 28.

The square root of 17228161 is about 4150.6819921550. The cubic root of 17228161 is about 258.2733766742.

The spelling of 17228161 in words is "seventeen million, two hundred twenty-eight thousand, one hundred sixty-one".