2208425 has 6 divisors (see below), whose sum is σ = 2738478. Its totient is φ = 1766720.

The previous prime is 2208421. The next prime is 2208431. The reversal of 2208425 is 5248022.

It can be written as a sum of positive squares in 3 ways, for example, as 26896 + 2181529 = 164^2 + 1477^2 .

It is not a de Polignac number, because 2208425 - 2² = 2208421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2208425.

It is not an unprimeable number, because it can be changed into a prime (2208421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44144 + ... + 44193.

It is an arithmetic number, because the mean of its divisors is an integer number (456413).

2^2208425 is an apocalyptic number.

2208425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2208425 is a deficient number, since it is larger than the sum of its proper divisors (530053).

2208425 is an equidigital number, since it uses as much as digits as its factorization.

2208425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88347 (or 88342 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2208425 is about 1486.0770504923. The cubic root of 2208425 is about 130.2249556735.

The spelling of 2208425 in words is "two million, two hundred eight thousand, four hundred twenty-five".