2201165 has 8 divisors (see below), whose sum is σ = 2656248. Its totient is φ = 1751040.

The previous prime is 2201161. The next prime is 2201183. The reversal of 2201165 is 5611022.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 2079364 = 349^2 + 1442^2 .

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

It is not a de Polignac number, because 2201165 - 2² = 2201161 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 (2201161) 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, 176 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (332031).

2^2201165 is an apocalyptic number.

It is an amenable number.

2201165 is a deficient number, since it is larger than the sum of its proper divisors (455083).

2201165 is a wasteful number, since it uses less digits than its factorization.

2201165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2201165 is about 1483.6323668618. The cubic root of 2201165 is about 130.0820980436.

Adding to 2201165 its reverse (5611022), we get a palindrome (7812187).

The spelling of 2201165 in words is "two million, two hundred one thousand, one hundred sixty-five".