2208813 has 8 divisors (see below), whose sum is σ = 2963808. Its totient is φ = 1463184.

The previous prime is 2208809. The next prime is 2208823. The reversal of 2208813 is 3188022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2208813 - 2² = 2208809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (370476).

2^2208813 is an apocalyptic number.

It is an amenable number.

2208813 is a deficient number, since it is larger than the sum of its proper divisors (754995).

2208813 is a wasteful number, since it uses less digits than its factorization.

2208813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2208813 is about 1486.2075898070. The cubic root of 2208813 is about 130.2325816700.

The spelling of 2208813 in words is "two million, two hundred eight thousand, eight hundred thirteen".