2225125 has 16 divisors (see below), whose sum is σ = 3174912.
Its totient is φ = 1525200.
The previous prime is 2225123. The next prime is 2225159. The reversal of 2225125 is 5215222.
It is not a de Polignac number, because 2225125 - 21 = 2225123 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2225123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397 + ... + 2146.
It is an arithmetic number, because the mean of its divisors is an integer number (198432).
22225125 is an apocalyptic number.
2225125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2225125 is a deficient number, since it is larger than the sum of its proper divisors (949787).
2225125 is an equidigital number, since it uses as much as digits as its factorization.
2225125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2565 (or 2555 counting only the distinct ones).
The product of its digits is 400, while the sum is 19.
The square root of 2225125 is about 1491.6852885244.
The cubic root of 2225125 is about 130.5523832705.
The spelling of 2225125 in words is "two million, two hundred twenty-five thousand, one hundred twenty-five".