2194065 has 12 divisors (see below), whose sum is σ = 3803124. Its totient is φ = 1170144.

The previous prime is 2194051. The next prime is 2194069. The reversal of 2194065 is 5604912.

It can be written as a sum of positive squares in 2 ways, for example, as 576081 + 1617984 = 759^2 + 1272^2 .

It is not a de Polignac number, because 2194065 - 2⁹ = 2193553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2194069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24334 + ... + 24423.

It is an arithmetic number, because the mean of its divisors is an integer number (316927).

2^2194065 is an apocalyptic number.

It is an amenable number.

2194065 is a deficient number, since it is larger than the sum of its proper divisors (1609059).

2194065 is a wasteful number, since it uses less digits than its factorization.

2194065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48768 (or 48765 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2194065 is about 1481.2376581764. The cubic root of 2194065 is about 129.9420846560.

Adding to 2194065 its reverse (5604912), we get a palindrome (7798977).

The spelling of 2194065 in words is "two million, one hundred ninety-four thousand, sixty-five".