2840227 has 4 divisors (see below), whose sum is σ = 3058720. Its totient is φ = 2621736.

The previous prime is 2840209. The next prime is 2840237. The reversal of 2840227 is 7220482.

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

It is a de Polignac number, because none of the positive numbers 2^k-2840227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2840237) 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, 109227 + ... + 109252.

It is an arithmetic number, because the mean of its divisors is an integer number (764680).

2^2840227 is an apocalyptic number.

2840227 is a deficient number, since it is larger than the sum of its proper divisors (218493).

2840227 is a wasteful number, since it uses less digits than its factorization.

2840227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218492.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2840227 is about 1685.2973031486. The cubic root of 2840227 is about 141.6177479696.

It can be divided in two parts, 2840 and 227, that multiplied together give a triangular number (644680 = T₁₁₃₅).

The spelling of 2840227 in words is "two million, eight hundred forty thousand, two hundred twenty-seven".