2205611 has 2 divisors, whose sum is σ = 2205612. Its totient is φ = 2205610.

The previous prime is 2205589. The next prime is 2205613. The reversal of 2205611 is 1165022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2205611 - 2⁶ = 2205547 is a prime.

Together with 2205613, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2205611.

It is not a weakly prime, because it can be changed into another prime (2205613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102805 + 1102806.

It is an arithmetic number, because the mean of its divisors is an integer number (1102806).

2^2205611 is an apocalyptic number.

2205611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205611 is an equidigital number, since it uses as much as digits as its factorization.

2205611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2205611 is about 1485.1299606432. The cubic root of 2205611 is about 130.1696207958.

The spelling of 2205611 in words is "two million, two hundred five thousand, six hundred eleven".