282978822 has 48 divisors (see below), whose sum is σ = 672399360. Its totient is φ = 79126992.

The previous prime is 282978811. The next prime is 282978823. The reversal of 282978822 is 228879282.

It is a happy number.

282978822 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 (282978823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3579 + ... + 24057.

It is an arithmetic number, because the mean of its divisors is an integer number (14008320).

Almost surely, 2^282978822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 282978822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336199680).

282978822 is an abundant number, since it is smaller than the sum of its proper divisors (389420538).

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

282978822 is a wasteful number, since it uses less digits than its factorization.

282978822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20545 (or 20538 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 282978822 is about 16821.9743787702. The cubic root of 282978822 is about 656.5250651356.

The spelling of 282978822 in words is "two hundred eighty-two million, nine hundred seventy-eight thousand, eight hundred twenty-two".