17142229 has 4 divisors (see below), whose sum is σ = 18460876. Its totient is φ = 15823584.

The previous prime is 17142173. The next prime is 17142241. The reversal of 17142229 is 92224171.

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 11492100 + 5650129 = 3390^2 + 2377^2 .

It is a cyclic number.

It is not a de Polignac number, because 17142229 - 2⁹ = 17141717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17142197 and 17142206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17142259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 659304 + ... + 659329.

It is an arithmetic number, because the mean of its divisors is an integer number (4615219).

Almost surely, 2^17142229 is an apocalyptic number.

It is an amenable number.

17142229 is a deficient number, since it is larger than the sum of its proper divisors (1318647).

17142229 is a wasteful number, since it uses less digits than its factorization.

17142229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318646.

The product of its digits is 2016, while the sum is 28.

The square root of 17142229 is about 4140.3174999026. The cubic root of 17142229 is about 257.8432485321.

It can be divided in two parts, 17142 and 229, that added together give a palindrome (17371).

The spelling of 17142229 in words is "seventeen million, one hundred forty-two thousand, two hundred twenty-nine".