2205025 has 12 divisors (see below), whose sum is σ = 2754412. Its totient is φ = 1751040.

The previous prime is 2205023. The next prime is 2205031. The reversal of 2205025 is 5205022.

It can be written as a sum of positive squares in 6 ways, for example, as 11664 + 2193361 = 108^2 + 1481^2 .

It is not a de Polignac number, because 2205025 - 2¹ = 2205023 is a prime.

It is a Duffinian number.

2205025 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2205023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4597 + ... + 5053.

2^2205025 is an apocalyptic number.

2205025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2205025 is a deficient number, since it is larger than the sum of its proper divisors (549387).

2205025 is a wasteful number, since it uses less digits than its factorization.

2205025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2205025 is about 1484.9326584058. The cubic root of 2205025 is about 130.1580916920.

Adding to 2205025 its product of nonzero digits (200), we get a square (2205225 = 1485²).

The spelling of 2205025 in words is "two million, two hundred five thousand, twenty-five".