2015225 has 12 divisors (see below), whose sum is σ = 2520300. Its totient is φ = 1598400.

The previous prime is 2015213. The next prime is 2015267. The reversal of 2015225 is 5225102.

It can be written as a sum of positive squares in 6 ways, for example, as 322624 + 1692601 = 568^2 + 1301^2 .

It is not a de Polignac number, because 2015225 - 2⁶ = 2015161 is a prime.

It is a super-2 number, since 2×2015225² = 8122263601250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3455 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (210025).

2^2015225 is an apocalyptic number.

2015225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015225 is a deficient number, since it is larger than the sum of its proper divisors (505075).

2015225 is a wasteful number, since it uses less digits than its factorization.

2015225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2015225 is about 1419.5862073154. The cubic root of 2015225 is about 126.3110021181.

The spelling of 2015225 in words is "two million, fifteen thousand, two hundred twenty-five".