282278 has 8 divisors (see below), whose sum is σ = 431568. Its totient is φ = 138424.

The previous prime is 282253. The next prime is 282281. The reversal of 282278 is 872282.

282278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 282278.

It is a congruent number.

It is an unprimeable number.

282278 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (53946).

2²⁸²²⁷⁸ is an apocalyptic number.

282278 is a deficient number, since it is larger than the sum of its proper divisors (149290).

282278 is a wasteful number, since it uses less digits than its factorization.

282278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718.

The product of its digits is 3584, while the sum is 29.

The square root of 282278 is about 531.2984095591. The cubic root of 282278 is about 65.5982636364.

It can be divided in two parts, 2822 and 78, that multiplied together give a triangular number (220116 = T₆₆₃).

The spelling of 282278 in words is "two hundred eighty-two thousand, two hundred seventy-eight".