2201841 has 12 divisors (see below), whose sum is σ = 3194100. Its totient is φ = 1461600.

The previous prime is 2201839. The next prime is 2201897. The reversal of 2201841 is 1481022.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 435600 = 1329^2 + 660^2 .

It is not a de Polignac number, because 2201841 - 2¹ = 2201839 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200841) 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, 2791 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (266175).

2^2201841 is an apocalyptic number.

It is an amenable number.

2201841 is a deficient number, since it is larger than the sum of its proper divisors (992259).

2201841 is a wasteful number, since it uses less digits than its factorization.

2201841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2201841 is about 1483.8601686143. The cubic root of 2201841 is about 130.0954131893.

Adding to 2201841 its reverse (1481022), we get a palindrome (3682863).

The spelling of 2201841 in words is "two million, two hundred one thousand, eight hundred forty-one".