2213291 has 6 divisors (see below), whose sum is σ = 2336292. Its totient is φ = 2096460.

The previous prime is 2213279. The next prime is 2213293. The reversal of 2213291 is 1923122.

2213291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2213291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213293) 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 5 ways as a sum of consecutive naturals, for example, 2705 + ... + 3426.

It is an arithmetic number, because the mean of its divisors is an integer number (389382).

2^2213291 is an apocalyptic number.

2213291 is a deficient number, since it is larger than the sum of its proper divisors (123001).

2213291 is an equidigital number, since it uses as much as digits as its factorization.

2213291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169 (or 6150 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 2213291 is about 1487.7133460449. The cubic root of 2213291 is about 130.3205305431.

The spelling of 2213291 in words is "two million, two hundred thirteen thousand, two hundred ninety-one".