2196611 has 2 divisors, whose sum is σ = 2196612. Its totient is φ = 2196610.

The previous prime is 2196599. The next prime is 2196613. The reversal of 2196611 is 1166912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2196611 is a prime.

Together with 2196613, 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 (2196613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098305 + 1098306.

It is an arithmetic number, because the mean of its divisors is an integer number (1098306).

2^2196611 is an apocalyptic number.

2196611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196611 is an equidigital number, since it uses as much as digits as its factorization.

2196611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 2196611 is about 1482.0968254470. The cubic root of 2196611 is about 129.9923269633.

The spelling of 2196611 in words is "two million, one hundred ninety-six thousand, six hundred eleven".