284122 has 4 divisors (see below), whose sum is σ = 426186. Its totient is φ = 142060.

The previous prime is 284117. The next prime is 284129. The reversal of 284122 is 221482.

284122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 210681 + 73441 = 459^2 + 271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 284122.

It is not an unprimeable number, because it can be changed into a prime (284129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71029 + ... + 71032.

2²⁸⁴¹²² is an apocalyptic number.

284122 is a deficient number, since it is larger than the sum of its proper divisors (142064).

284122 is a wasteful number, since it uses less digits than its factorization.

284122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142063.

The product of its digits is 256, while the sum is 19.

The square root of 284122 is about 533.0309559491. The cubic root of 284122 is about 65.7407954075.

It can be divided in two parts, 284 and 122, that added together give a triangular number (406 = T₂₈).

The spelling of 284122 in words is "two hundred eighty-four thousand, one hundred twenty-two".