2162197 has 2 divisors, whose sum is σ = 2162198. Its totient is φ = 2162196.

The previous prime is 2162191. The next prime is 2162203. The reversal of 2162197 is 7912612.

It is a happy number.

2162197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2162191) and next prime (2162203).

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 938961 = 1106^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162197 - 2³ = 2162189 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081098 + 1081099.

It is an arithmetic number, because the mean of its divisors is an integer number (1081099).

2^2162197 is an apocalyptic number.

It is an amenable number.

2162197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162197 is an equidigital number, since it uses as much as digits as its factorization.

2162197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 2162197 is about 1470.4410902855. The cubic root of 2162197 is about 129.3098933383.

It can be divided in two parts, 216 and 2197, that multiplied together give a cube (474552 = 78³).

The spelling of 2162197 in words is "two million, one hundred sixty-two thousand, one hundred ninety-seven".