2218607 has 2 divisors, whose sum is σ = 2218608. Its totient is φ = 2218606.

The previous prime is 2218597. The next prime is 2218609. The reversal of 2218607 is 7068122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2218607 - 2⁸ = 2218351 is a prime.

Together with 2218609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2218609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109303 + 1109304.

It is an arithmetic number, because the mean of its divisors is an integer number (1109304).

2^2218607 is an apocalyptic number.

2218607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2218607 is an equidigital number, since it uses as much as digits as its factorization.

2218607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2218607 is about 1489.4989090295. The cubic root of 2218607 is about 130.4247840468.

The spelling of 2218607 in words is "two million, two hundred eighteen thousand, six hundred seven".