238227136 has 56 divisors (see below), whose sum is σ = 542462720. Its totient is φ = 101682432.

The previous prime is 238227133. The next prime is 238227151. The reversal of 238227136 is 631722832.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (238227131) 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, 125845 + ... + 127723.

Almost surely, 2^238227136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238227136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271231360).

238227136 is an abundant number, since it is smaller than the sum of its proper divisors (304235584).

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

238227136 is a wasteful number, since it uses less digits than its factorization.

238227136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2171 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 238227136 is about 15434.6083850547. The cubic root of 238227136 is about 619.9125232116.

Adding to 238227136 its reverse (631722832), we get a palindrome (869949968).

The spelling of 238227136 in words is "two hundred thirty-eight million, two hundred twenty-seven thousand, one hundred thirty-six".