2201189 has 2 divisors, whose sum is σ = 2201190. Its totient is φ = 2201188.

The previous prime is 2201183. The next prime is 2201191. The reversal of 2201189 is 9811022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 588289 = 1270^2 + 767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201189 is a prime.

It is a Sophie Germain prime.

Together with 2201191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100594 + 1100595.

It is an arithmetic number, because the mean of its divisors is an integer number (1100595).

2^2201189 is an apocalyptic number.

It is an amenable number.

2201189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201189 is an equidigital number, since it uses as much as digits as its factorization.

2201189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2201189 is about 1483.6404550969. The cubic root of 2201189 is about 130.0825708174.

The spelling of 2201189 in words is "two million, two hundred one thousand, one hundred eighty-nine".