2196197 has 2 divisors, whose sum is σ = 2196198. Its totient is φ = 2196196.

The previous prime is 2196167. The next prime is 2196221. The reversal of 2196197 is 7916912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076481 + 119716 = 1441^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2196197 - 2¹² = 2192101 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2196107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098098 + 1098099.

It is an arithmetic number, because the mean of its divisors is an integer number (1098099).

2^2196197 is an apocalyptic number.

It is an amenable number.

2196197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196197 is an equidigital number, since it uses as much as digits as its factorization.

2196197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 35.

The square root of 2196197 is about 1481.9571518772. The cubic root of 2196197 is about 129.9841598057.

The spelling of 2196197 in words is "two million, one hundred ninety-six thousand, one hundred ninety-seven".