2205941 has 4 divisors (see below), whose sum is σ = 2227884. Its totient is φ = 2184000.

The previous prime is 2205911. The next prime is 2205947. The reversal of 2205941 is 1495022.

2205941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 894916 + 1311025 = 946^2 + 1145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205941 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 10820 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (556971).

2^2205941 is an apocalyptic number.

It is an amenable number.

2205941 is a deficient number, since it is larger than the sum of its proper divisors (21943).

2205941 is a wasteful number, since it uses less digits than its factorization.

2205941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21942.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2205941 is about 1485.2410578758. The cubic root of 2205941 is about 130.1761123957.

The spelling of 2205941 in words is "two million, two hundred five thousand, nine hundred forty-one".