238885122 has 128 divisors (see below), whose sum is σ = 609638400. Its totient is φ = 60834816.

The previous prime is 238885121. The next prime is 238885123. The reversal of 238885122 is 221588832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238885121) and next prime (238885123).

It is a super-2 number, since 2×238885122² = 114132203025909768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238885121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1718529 + ... + 1718667.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^238885122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238885122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304819200).

238885122 is an abundant number, since it is smaller than the sum of its proper divisors (370753278).

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

238885122 is a wasteful number, since it uses less digits than its factorization.

238885122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 61440, while the sum is 39.

The square root of 238885122 is about 15455.9089671232. The cubic root of 238885122 is about 620.4827336528.

The spelling of 238885122 in words is "two hundred thirty-eight million, eight hundred eighty-five thousand, one hundred twenty-two".