2241805 has 8 divisors (see below), whose sum is σ = 2752992. Its totient is φ = 1751568.

The previous prime is 2241797. The next prime is 2241809. The reversal of 2241805 is 5081422.

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 2241805 - 2³ = 2241797 is a prime.

It is a Duffinian number.

2241805 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241809) 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, 4999 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (344124).

2^2241805 is an apocalyptic number.

It is an amenable number.

2241805 is a deficient number, since it is larger than the sum of its proper divisors (511187).

2241805 is a wasteful number, since it uses less digits than its factorization.

2241805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2241805 is about 1497.2658414590. The cubic root of 2241805 is about 130.8777874641.

The spelling of 2241805 in words is "two million, two hundred forty-one thousand, eight hundred five".