2203081 has 4 divisors (see below), whose sum is σ = 2332692. Its totient is φ = 2073472.

The previous prime is 2203079. The next prime is 2203087. The reversal of 2203081 is 1803022.

It is a happy number.

2203081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 1121481 = 1040^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203081 - 2¹ = 2203079 is a prime.

It is a super-2 number, since 2×2203081² = 9707131785122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203087) 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 3 ways as a sum of consecutive naturals, for example, 64780 + ... + 64813.

It is an arithmetic number, because the mean of its divisors is an integer number (583173).

2^2203081 is an apocalyptic number.

It is an amenable number.

2203081 is a deficient number, since it is larger than the sum of its proper divisors (129611).

2203081 is a wasteful number, since it uses less digits than its factorization.

2203081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129610.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2203081 is about 1484.2779389319. The cubic root of 2203081 is about 130.1198303382.

The spelling of 2203081 in words is "two million, two hundred three thousand, eighty-one".