2291056 has 20 divisors (see below), whose sum is σ = 4700592. Its totient is φ = 1078016.

The previous prime is 2291041. The next prime is 2291063. The reversal of 2291056 is 6501922.

2291056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2291056.

It is a congruent number.

It is an unprimeable number.

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, 3940 + ... + 4483.

2^2291056 is an apocalyptic number.

It is an amenable number.

2291056 is an abundant number, since it is smaller than the sum of its proper divisors (2409536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2291056 is a wasteful number, since it uses less digits than its factorization.

2291056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448 (or 8442 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2291056 is about 1513.6234670485. The cubic root of 2291056 is about 131.8292865073.

Adding to 2291056 its reverse (6501922), we get a palindrome (8792978).

The spelling of 2291056 in words is "two million, two hundred ninety-one thousand, fifty-six".