2206165 has 8 divisors (see below), whose sum is σ = 2851128. Its totient is φ = 1629120.

The previous prime is 2206163. The next prime is 2206189. The reversal of 2206165 is 5616022.

2206165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33489 + 2172676 = 183^2 + 1474^2 .

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

It is not a de Polignac number, because 2206165 - 2¹ = 2206163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16906 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (356391).

2^2206165 is an apocalyptic number.

It is an amenable number.

2206165 is a deficient number, since it is larger than the sum of its proper divisors (644963).

2206165 is a wasteful number, since it uses less digits than its factorization.

2206165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33959.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2206165 is about 1485.3164645960. The cubic root of 2206165 is about 130.1805184462.

The spelling of 2206165 in words is "two million, two hundred six thousand, one hundred sixty-five".