2847223 has 4 divisors (see below), whose sum is σ = 2854408. Its totient is φ = 2840040.

The previous prime is 2847217. The next prime is 2847227. The reversal of 2847223 is 3227482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3227482 = 2 ⋅1613741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2847223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2847191 and 2847200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847227) 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, 2961 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (713602).

2^2847223 is an apocalyptic number.

2847223 is a deficient number, since it is larger than the sum of its proper divisors (7185).

2847223 is an equidigital number, since it uses as much as digits as its factorization.

2847223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184.

The product of its digits is 5376, while the sum is 28.

The square root of 2847223 is about 1687.3716247466. The cubic root of 2847223 is about 141.7339294583.

The spelling of 2847223 in words is "two million, eight hundred forty-seven thousand, two hundred twenty-three".