2199065 has 8 divisors (see below), whose sum is σ = 2878848. Its totient is φ = 1599280.

The previous prime is 2199061. The next prime is 2199077. The reversal of 2199065 is 5609912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2199065 - 2² = 2199061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2199061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19937 + ... + 20046.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

2^2199065 is an apocalyptic number.

It is an amenable number.

2199065 is a deficient number, since it is larger than the sum of its proper divisors (679783).

2199065 is a wasteful number, since it uses less digits than its factorization.

2199065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39999.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2199065 is about 1482.9244754875. The cubic root of 2199065 is about 130.0407170288.

The spelling of 2199065 in words is "two million, one hundred ninety-nine thousand, sixty-five".