2208829 has 4 divisors (see below), whose sum is σ = 2524384. Its totient is φ = 1893276.

The previous prime is 2208823. The next prime is 2208839. The reversal of 2208829 is 9288022.

2208829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9288022 = 2 ⋅4644011.

It is not a de Polignac number, because 2208829 - 2⁵ = 2208797 is a prime.

It is a Duffinian number.

2208829 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2208829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208823) 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 3 ways as a sum of consecutive naturals, for example, 157767 + ... + 157780.

It is an arithmetic number, because the mean of its divisors is an integer number (631096).

2^2208829 is an apocalyptic number.

It is an amenable number.

2208829 is a deficient number, since it is larger than the sum of its proper divisors (315555).

2208829 is an equidigital number, since it uses as much as digits as its factorization.

2208829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315554.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2208829 is about 1486.2129726254. The cubic root of 2208829 is about 130.2328961249.

The spelling of 2208829 in words is "two million, two hundred eight thousand, eight hundred twenty-nine".