2822871 has 4 divisors (see below), whose sum is σ = 3763832. Its totient is φ = 1881912.

The previous prime is 2822857. The next prime is 2822879. The reversal of 2822871 is 1782282.

It is a happy number.

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

It is not a de Polignac number, because 2822871 - 2¹⁵ = 2790103 is a prime.

It is a D-number.

It is a Duffinian number.

2822871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822879) 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, 470476 + ... + 470481.

It is an arithmetic number, because the mean of its divisors is an integer number (940958).

2^2822871 is an apocalyptic number.

2822871 is a deficient number, since it is larger than the sum of its proper divisors (940961).

2822871 is an equidigital number, since it uses as much as digits as its factorization.

2822871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940960.

The product of its digits is 3584, while the sum is 30.

The square root of 2822871 is about 1680.1401727237. The cubic root of 2822871 is about 141.3286934565.

The spelling of 2822871 in words is "two million, eight hundred twenty-two thousand, eight hundred seventy-one".