2105225 has 12 divisors (see below), whose sum is σ = 2638224. Its totient is φ = 1666320.

The previous prime is 2105209. The next prime is 2105231. The reversal of 2105225 is 5225012.

It is not a de Polignac number, because 2105225 - 2⁴ = 2105209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2282 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (219852).

2^2105225 is an apocalyptic number.

2105225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2105225 is a deficient number, since it is larger than the sum of its proper divisors (532999).

2105225 is a wasteful number, since it uses less digits than its factorization.

2105225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 899 counting only the distinct ones).

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

The square root of 2105225 is about 1450.9393509034. The cubic root of 2105225 is about 128.1640353002.

The spelling of 2105225 in words is "two million, one hundred five thousand, two hundred twenty-five".