2194005 has 16 divisors (see below), whose sum is σ = 3829824. Its totient is φ = 1063680.

The previous prime is 2193979. The next prime is 2194013. The reversal of 2194005 is 5004912.

2194005 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 2194005 - 2⁵ = 2193973 is a prime.

It is a congruent number.

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, 6484 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (239364).

2^2194005 is an apocalyptic number.

It is an amenable number.

2194005 is a deficient number, since it is larger than the sum of its proper divisors (1635819).

2194005 is a wasteful number, since it uses less digits than its factorization.

2194005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2194005 is about 1481.2174047047. The cubic root of 2194005 is about 129.9409001581.

Adding to 2194005 its reverse (5004912), we get a palindrome (7198917).

It can be divided in two parts, 219 and 4005, that added together give a palindrome (4224).

The spelling of 2194005 in words is "two million, one hundred ninety-four thousand, five".