2208399 has 8 divisors (see below), whose sum is σ = 2975280. Its totient is φ = 1456896.

The previous prime is 2208397. The next prime is 2208407. The reversal of 2208399 is 9938022.

2208399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2208399 - 2¹ = 2208397 is a prime.

It is a super-2 number, since 2×2208399² = 9754052286402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (371910).

2^2208399 is an apocalyptic number.

2208399 is a deficient number, since it is larger than the sum of its proper divisors (766881).

2208399 is an equidigital number, since it uses as much as digits as its factorization.

2208399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7689.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2208399 is about 1486.0683026025. The cubic root of 2208399 is about 130.2244446211.

The spelling of 2208399 in words is "two million, two hundred eight thousand, three hundred ninety-nine".