2271705 has 16 divisors (see below), whose sum is σ = 3654720. Its totient is φ = 1204928.

The previous prime is 2271683. The next prime is 2271721. The reversal of 2271705 is 5071722.

2271705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2271705 - 2⁵ = 2271673 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3754 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (228420).

2^2271705 is an apocalyptic number.

It is an amenable number.

2271705 is a deficient number, since it is larger than the sum of its proper divisors (1383015).

2271705 is a wasteful number, since it uses less digits than its factorization.

2271705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2271705 is about 1507.2176352471. The cubic root of 2271705 is about 131.4570790060.

The spelling of 2271705 in words is "two million, two hundred seventy-one thousand, seven hundred five".