2808227 has 4 divisors (see below), whose sum is σ = 2820720. Its totient is φ = 2795736.

The previous prime is 2808193. The next prime is 2808229. The reversal of 2808227 is 7228082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7228082 = 2 ⋅3614041.

It is a cyclic number.

It is not a de Polignac number, because 2808227 - 2⁸ = 2807971 is a prime.

It is a super-2 number, since 2×2808227² = 15772277767058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2808227.

It is not an unprimeable number, because it can be changed into a prime (2808229) 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, 5903 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (705180).

2^2808227 is an apocalyptic number.

2808227 is a deficient number, since it is larger than the sum of its proper divisors (12493).

2808227 is a wasteful number, since it uses less digits than its factorization.

2808227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2808227 is about 1675.7765364153. The cubic root of 2808227 is about 141.0838828202.

The spelling of 2808227 in words is "two million, eight hundred eight thousand, two hundred twenty-seven".