242238 has 16 divisors (see below), whose sum is σ = 495360. Its totient is φ = 78936.

The previous prime is 242227. The next prime is 242243. The reversal of 242238 is 832242.

242238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 148 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (30960).

2²⁴²²³⁸ is an apocalyptic number.

242238 is an abundant number, since it is smaller than the sum of its proper divisors (253122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242238 is a wasteful number, since it uses less digits than its factorization.

242238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its digits is 768, while the sum is 21.

The square root of 242238 is about 492.1767975027. The cubic root of 242238 is about 62.3372190727.

The spelling of 242238 in words is "two hundred forty-two thousand, two hundred thirty-eight".