284122243 has 4 divisors (see below), whose sum is σ = 296475408. Its totient is φ = 271769080.

The previous prime is 284122213. The next prime is 284122249. The reversal of 284122243 is 342221482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284122243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284122249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6176548 + ... + 6176593.

It is an arithmetic number, because the mean of its divisors is an integer number (74118852).

Almost surely, 2^284122243 is an apocalyptic number.

284122243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

284122243 is a deficient number, since it is larger than the sum of its proper divisors (12353165).

284122243 is a wasteful number, since it uses less digits than its factorization.

284122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353164.

The product of its digits is 6144, while the sum is 28.

The square root of 284122243 is about 16855.9260499090. The cubic root of 284122243 is about 657.4081414945.

The spelling of 284122243 in words is "two hundred eighty-four million, one hundred twenty-two thousand, two hundred forty-three".