2205942 has 16 divisors (see below), whose sum is σ = 4453680. Its totient is φ = 728352.

The previous prime is 2205911. The next prime is 2205947. The reversal of 2205942 is 2495022.

2205942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (278355).

2^2205942 is an apocalyptic number.

2205942 is an abundant number, since it is smaller than the sum of its proper divisors (2247738).

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

2205942 is a wasteful number, since it uses less digits than its factorization.

2205942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2205942 is about 1485.2413945214. The cubic root of 2205942 is about 130.1761320663.

The spelling of 2205942 in words is "two million, two hundred five thousand, nine hundred forty-two".