2247805 has 8 divisors (see below), whose sum is σ = 3082752. Its totient is φ = 1541328.

The previous prime is 2247803. The next prime is 2247809. The reversal of 2247805 is 5087422.

2247805 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 2247805 - 2¹ = 2247803 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 (2247803) 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, 32077 + ... + 32146.

It is an arithmetic number, because the mean of its divisors is an integer number (385344).

2^2247805 is an apocalyptic number.

It is an amenable number.

2247805 is a deficient number, since it is larger than the sum of its proper divisors (834947).

2247805 is an equidigital number, since it uses as much as digits as its factorization.

2247805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64235.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2247805 is about 1499.2681548009. The cubic root of 2247805 is about 130.9944445326.

It can be divided in two parts, 224780 and 5, that added together give a triangular number (224785 = T₆₇₀).

The spelling of 2247805 in words is "two million, two hundred forty-seven thousand, eight hundred five".