2209125 has 32 divisors (see below), whose sum is σ = 3788928. Its totient is φ = 1142400.

The previous prime is 2209117. The next prime is 2209169. The reversal of 2209125 is 5219022.

2209125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2209125 - 2³ = 2209117 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 16057 + ... + 16193.

It is an arithmetic number, because the mean of its divisors is an integer number (118404).

2^2209125 is an apocalyptic number.

2209125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2209125 is a deficient number, since it is larger than the sum of its proper divisors (1579803).

2209125 is a wasteful number, since it uses less digits than its factorization.

2209125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2209125 is about 1486.3125512489. The cubic root of 2209125 is about 130.2387132668.

The spelling of 2209125 in words is "two million, two hundred nine thousand, one hundred twenty-five".