2208816 has 40 divisors (see below), whose sum is σ = 6341360. Its totient is φ = 736128.

The previous prime is 2208809. The next prime is 2208823. The reversal of 2208816 is 6188022.

It is an interprime number because it is at equal distance from previous prime (2208809) and next prime (2208823).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2208816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (158534).

2^2208816 is an apocalyptic number.

It is an amenable number.

2208816 is an abundant number, since it is smaller than the sum of its proper divisors (4132544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2208816 is a wasteful number, since it uses less digits than its factorization.

2208816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2208816 is about 1486.2085990870. The cubic root of 2208816 is about 130.2326406304.

The spelling of 2208816 in words is "two million, two hundred eight thousand, eight hundred sixteen".