2205791 has 8 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 1876248.

The previous prime is 2205787. The next prime is 2205793. The reversal of 2205791 is 1975022.

2205791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205791 - 2² = 2205787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2205791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205793) 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, 161 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

2^2205791 is an apocalyptic number.

2205791 is a deficient number, since it is larger than the sum of its proper divisors (334369).

2205791 is a wasteful number, since it uses less digits than its factorization.

2205791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2205791 is about 1485.1905601639. The cubic root of 2205791 is about 130.1731617487.

The spelling of 2205791 in words is "two million, two hundred five thousand, seven hundred ninety-one".