284922 has 24 divisors (see below), whose sum is σ = 673920. Its totient is φ = 86280.

The previous prime is 284917. The next prime is 284927. The reversal of 284922 is 229482.

It is an interprime number because it is at equal distance from previous prime (284917) and next prime (284927).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284922.

It is not an unprimeable number, because it can be changed into a prime (284927) 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, 522 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2²⁸⁴⁹²² is an apocalyptic number.

284922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

284922 is an abundant number, since it is smaller than the sum of its proper divisors (388998).

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

284922 is a wasteful number, since it uses less digits than its factorization.

284922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1455 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 284922 is about 533.7808539092. The cubic root of 284922 is about 65.8024395273.

It can be divided in two parts, 28 and 4922, that added together give a triangular number (4950 = T₉₉).

The spelling of 284922 in words is "two hundred eighty-four thousand, nine hundred twenty-two".