2282143 has 4 divisors (see below), whose sum is σ = 2286208. Its totient is φ = 2278080.

The previous prime is 2282141. The next prime is 2282149. The reversal of 2282143 is 3412822.

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

It is a cyclic number.

It is not a de Polignac number, because 2282143 - 2¹ = 2282141 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2282141) 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, 1023 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (571552).

2^2282143 is an apocalyptic number.

2282143 is a deficient number, since it is larger than the sum of its proper divisors (4065).

2282143 is an equidigital number, since it uses as much as digits as its factorization.

2282143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its digits is 768, while the sum is 22.

The square root of 2282143 is about 1510.6763385980. The cubic root of 2282143 is about 131.6581105017.

Adding to 2282143 its reverse (3412822), we get a palindrome (5694965).

The spelling of 2282143 in words is "two million, two hundred eighty-two thousand, one hundred forty-three".