281282238 has 24 divisors (see below), whose sum is σ = 645295248. Its totient is φ = 88245312.

The previous prime is 281282233. The next prime is 281282291. The reversal of 281282238 is 832282182.

281282238 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 not an unprimeable number, because it can be changed into a prime (281282233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459306 + ... + 459917.

It is an arithmetic number, because the mean of its divisors is an integer number (26887302).

Almost surely, 2^281282238 is an apocalyptic number.

281282238 is an abundant number, since it is smaller than the sum of its proper divisors (364013010).

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

281282238 is a wasteful number, since it uses less digits than its factorization.

281282238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919248 (or 919245 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 281282238 is about 16771.4709551667. The cubic root of 281282238 is about 655.2103809176.

The spelling of 281282238 in words is "two hundred eighty-one million, two hundred eighty-two thousand, two hundred thirty-eight".