2210705 has 16 divisors (see below), whose sum is σ = 3072384. Its totient is φ = 1495680.

The previous prime is 2210653. The next prime is 2210723. The reversal of 2210705 is 5070122.

2210705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2210705 - 2¹⁴ = 2194321 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, 2525 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (192024).

2^2210705 is an apocalyptic number.

It is an amenable number.

2210705 is a deficient number, since it is larger than the sum of its proper divisors (861679).

2210705 is an equidigital number, since it uses as much as digits as its factorization.

2210705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2210705 is about 1486.8439729844. The cubic root of 2210705 is about 130.2697554409.

Adding to 2210705 its reverse (5070122), we get a palindrome (7280827).

The spelling of 2210705 in words is "two million, two hundred ten thousand, seven hundred five".