242018 has 16 divisors (see below), whose sum is σ = 423360. Its totient is φ = 101616.

The previous prime is 242009. The next prime is 242057. The reversal of 242018 is 810242.

242018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 241987 and 242005.

It is an unprimeable number.

242018 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2²⁴²⁰¹⁸ is an apocalyptic number.

242018 is a deficient number, since it is larger than the sum of its proper divisors (181342).

242018 is a wasteful number, since it uses less digits than its factorization.

242018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 242018 is about 491.9532498114. The cubic root of 242018 is about 62.3183418499.

The spelling of 242018 in words is "two hundred forty-two thousand, eighteen".