242284 has 24 divisors (see below), whose sum is σ = 514080. Its totient is φ = 97536.

The previous prime is 242279. The next prime is 242309. The reversal of 242284 is 482242.

242284 = T₁₇₉ + T₁₈₀ + ... + T₁₉₂.

It is a nialpdrome in base 14.

It is an unprimeable number.

242284 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 7 ways as a sum of consecutive naturals, for example, 222 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (21420).

2²⁴²²⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257040).

242284 is an abundant number, since it is smaller than the sum of its proper divisors (271796).

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

242284 is a wasteful number, since it uses less digits than its factorization.

242284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 242284 is about 492.2235264593. The cubic root of 242284 is about 62.3411646834.

The spelling of 242284 in words is "two hundred forty-two thousand, two hundred eighty-four".