2205830 has 24 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 801680.

The previous prime is 2205823. The next prime is 2205839. The reversal of 2205830 is 385022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205839) 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, 299 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

2^2205830 is an apocalyptic number.

2205830 is a deficient number, since it is larger than the sum of its proper divisors (2160826).

2205830 is a wasteful number, since it uses less digits than its factorization.

2205830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2205830 is about 1485.2036897342. The cubic root of 2205830 is about 130.1739289298.

The spelling of 2205830 in words is "two million, two hundred five thousand, eight hundred thirty".