238422 has 16 divisors (see below), whose sum is σ = 483840. Its totient is φ = 78312.

The previous prime is 238417. The next prime is 238423. The reversal of 238422 is 224832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238423) 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, 223 + ... + 725.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2²³⁸⁴²² is an apocalyptic number.

238422 is an abundant number, since it is smaller than the sum of its proper divisors (245418).

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

238422 is a wasteful number, since it uses less digits than its factorization.

238422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

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

The square root of 238422 is about 488.2847529874. The cubic root of 238422 is about 62.0081501599.

The spelling of 238422 in words is "two hundred thirty-eight thousand, four hundred twenty-two".