2162198 has 4 divisors (see below), whose sum is σ = 3243300. Its totient is φ = 1081098.

The previous prime is 2162197. The next prime is 2162203. The reversal of 2162198 is 8912612.

2162198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2162198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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, 540548 + ... + 540551.

It is an arithmetic number, because the mean of its divisors is an integer number (810825).

2^2162198 is an apocalyptic number.

2162198 is a deficient number, since it is larger than the sum of its proper divisors (1081102).

2162198 is a wasteful number, since it uses less digits than its factorization.

2162198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081101.

The product of its digits is 1728, while the sum is 29.

The square root of 2162198 is about 1470.4414303195. The cubic root of 2162198 is about 129.3099132732.

The spelling of 2162198 in words is "two million, one hundred sixty-two thousand, one hundred ninety-eight".