17242245 has 18 divisors (see below), whose sum is σ = 29934918. Its totient is φ = 9181008.

The previous prime is 17242243. The next prime is 17242261. The reversal of 17242245 is 54224271.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 3448449 = 3714^2 + 1857^2 .

It is not a de Polignac number, because 17242245 - 2¹ = 17242243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17242243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27546 + ... + 28164.

It is an arithmetic number, because the mean of its divisors is an integer number (1663051).

Almost surely, 2^17242245 is an apocalyptic number.

17242245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17242245 is a deficient number, since it is larger than the sum of its proper divisors (12692673).

17242245 is an frugal number, since it uses more digits than its factorization.

17242245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 627 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 17242245 is about 4152.3782342171. The cubic root of 17242245 is about 258.3437368917.

It can be divided in two parts, 1724 and 2245, that added together give a square (3969 = 63²).

The spelling of 17242245 in words is "seventeen million, two hundred forty-two thousand, two hundred forty-five".