2284823 has 4 divisors (see below), whose sum is σ = 2363640. Its totient is φ = 2206008.

The previous prime is 2284757. The next prime is 2284831. The reversal of 2284823 is 3284822.

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-2284823 is a prime.

It is a super-2 number, since 2×2284823² = 10440832282658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 78787 = 2284823 / (2 + 2 + 8 + 4 + 8 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2284873) 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, 39365 + ... + 39422.

It is an arithmetic number, because the mean of its divisors is an integer number (590910).

2^2284823 is an apocalyptic number.

2284823 is a deficient number, since it is larger than the sum of its proper divisors (78817).

2284823 is an equidigital number, since it uses as much as digits as its factorization.

2284823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78816.

The product of its digits is 6144, while the sum is 29.

The square root of 2284823 is about 1511.5630982529. The cubic root of 2284823 is about 131.7096272424.

2284823 divided by its sum of digits (29) gives a palindrome (78787).

Subtracting 2284823 from its reverse (3284822), we obtain a palindrome (999999).

The spelling of 2284823 in words is "two million, two hundred eighty-four thousand, eight hundred twenty-three".