2205725 has 12 divisors (see below), whose sum is σ = 2770656. Its totient is φ = 1741680.

The previous prime is 2205719. The next prime is 2205761. The reversal of 2205725 is 5275022.

It is not a de Polignac number, because 2205725 - 2⁶ = 2205661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2205725.

It is a congruent 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, 1544 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (230888).

2^2205725 is an apocalyptic number.

2205725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2205725 is a deficient number, since it is larger than the sum of its proper divisors (564931).

2205725 is a wasteful number, since it uses less digits than its factorization.

2205725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2205725 is about 1485.1683406267. The cubic root of 2205725 is about 130.1718634217.

The spelling of 2205725 in words is "two million, two hundred five thousand, seven hundred twenty-five".