2205912 has 32 divisors (see below), whose sum is σ = 5572800. Its totient is φ = 727584.

The previous prime is 2205911. The next prime is 2205947. The reversal of 2205912 is 2195022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (174150).

2^2205912 is an apocalyptic number.

It is an amenable number.

2205912 is an abundant number, since it is smaller than the sum of its proper divisors (3366888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205912 is a wasteful number, since it uses less digits than its factorization.

2205912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2205912 is about 1485.2312951187. The cubic root of 2205912 is about 130.1755419477.

The spelling of 2205912 in words is "two million, two hundred five thousand, nine hundred twelve".