2214491 has 2 divisors, whose sum is σ = 2214492. Its totient is φ = 2214490.

The previous prime is 2214481. The next prime is 2214493. The reversal of 2214491 is 1944122.

2214491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2214491 is a prime.

Together with 2214493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2214493) 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 as a sum of consecutive naturals, namely, 1107245 + 1107246.

It is an arithmetic number, because the mean of its divisors is an integer number (1107246).

2^2214491 is an apocalyptic number.

2214491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214491 is an equidigital number, since it uses as much as digits as its factorization.

2214491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 2214491 is about 1488.1165948944. The cubic root of 2214491 is about 130.3440786414.

The spelling of 2214491 in words is "two million, two hundred fourteen thousand, four hundred ninety-one".