242170 has 16 divisors (see below), whose sum is σ = 444168. Its totient is φ = 95040.

The previous prime is 242161. The next prime is 242171. The reversal of 242170 is 71242.

242170 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 146689 + 95481 = 383^2 + 309^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 808.

2²⁴²¹⁷⁰ is an apocalyptic number.

242170 is a deficient number, since it is larger than the sum of its proper divisors (201998).

242170 is a wasteful number, since it uses less digits than its factorization.

242170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 242170 is about 492.1077117868. The cubic root of 242170 is about 62.3313855156.

The spelling of 242170 in words is "two hundred forty-two thousand, one hundred seventy", and thus it is an iban number.