2208625 has 8 divisors (see below), whose sum is σ = 2756520. Its totient is φ = 1766800.

The previous prime is 2208601. The next prime is 2208637. The reversal of 2208625 is 5268022.

2208625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 295936 + 1912689 = 544^2 + 1383^2 .

It is not a de Polignac number, because 2208625 - 2⁷ = 2208497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 0 + 8³ + 6² + 2²¹ + 5⁷ .

2208625 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2208625.

It is an unprimeable number.

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, 8710 + ... + 8959.

It is an arithmetic number, because the mean of its divisors is an integer number (344565).

2^2208625 is an apocalyptic number.

2208625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2208625 is a deficient number, since it is larger than the sum of its proper divisors (547895).

2208625 is an equidigital number, since it uses as much as digits as its factorization.

2208625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17684 (or 17674 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2208625 is about 1486.1443402308. The cubic root of 2208625 is about 130.2288867110.

The spelling of 2208625 in words is "two million, two hundred eight thousand, six hundred twenty-five".