2928225 has 12 divisors (see below), whose sum is σ = 4841456. Its totient is φ = 1561680.

The previous prime is 2928209. The next prime is 2928227. The reversal of 2928225 is 5228292.

2928225 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 2928225 - 2⁴ = 2928209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2928192 and 2928201.

It is not an unprimeable number, because it can be changed into a prime (2928227) 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 11 ways as a sum of consecutive naturals, for example, 19447 + ... + 19596.

2^2928225 is an apocalyptic number.

2928225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2928225 is a deficient number, since it is larger than the sum of its proper divisors (1913231).

2928225 is a wasteful number, since it uses less digits than its factorization.

2928225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39056 (or 39051 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 2928225 is about 1711.2057152780. The cubic root of 2928225 is about 143.0654662998.

The spelling of 2928225 in words is "two million, nine hundred twenty-eight thousand, two hundred twenty-five".