170005225 has 12 divisors (see below), whose sum is σ = 227022796. Its totient is φ = 125542080.

The previous prime is 170005193. The next prime is 170005261. The reversal of 170005225 is 522500071.

It can be written as a sum of positive squares in 6 ways, for example, as 719104 + 169286121 = 848^2 + 13011^2 .

It is not a de Polignac number, because 170005225 - 2⁵ = 170005193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 170005196 and 170005205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261222 + ... + 261871.

Almost surely, 2^170005225 is an apocalyptic number.

It is an amenable number.

170005225 is a deficient number, since it is larger than the sum of its proper divisors (57017571).

170005225 is a wasteful number, since it uses less digits than its factorization.

170005225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523116 (or 523111 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 170005225 is about 13038.6051784691. The cubic root of 170005225 is about 553.9715010515.

Adding to 170005225 its reverse (522500071), we get a palindrome (692505296).

The spelling of 170005225 in words is "one hundred seventy million, five thousand, two hundred twenty-five".