282442231 has 4 divisors (see below), whose sum is σ = 294722352. Its totient is φ = 270162112.

The previous prime is 282442187. The next prime is 282442241. The reversal of 282442231 is 132244282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282442231 is a prime.

It is a super-2 number, since 2×282442231² = 159547227704514722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 282442231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282442241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140026 + ... + 6140071.

It is an arithmetic number, because the mean of its divisors is an integer number (73680588).

Almost surely, 2^282442231 is an apocalyptic number.

282442231 is a deficient number, since it is larger than the sum of its proper divisors (12280121).

282442231 is a wasteful number, since it uses less digits than its factorization.

282442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280120.

The product of its digits is 6144, while the sum is 28.

The square root of 282442231 is about 16806.0177020019. The cubic root of 282442231 is about 656.1098298845.

The spelling of 282442231 in words is "two hundred eighty-two million, four hundred forty-two thousand, two hundred thirty-one".