2198168 has 32 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 886272.

The previous prime is 2198159. The next prime is 2198191. The reversal of 2198168 is 8618912.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (155925).

2^2198168 is an apocalyptic number.

2198168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2198168 is an abundant number, since it is smaller than the sum of its proper divisors (2791432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198168 is a wasteful number, since it uses less digits than its factorization.

2198168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2335 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 2198168 is about 1482.6220017253. The cubic root of 2198168 is about 130.0230333940.

It can be divided in two parts, 21 and 98168, that added together give a palindrome (98189).

The spelling of 2198168 in words is "two million, one hundred ninety-eight thousand, one hundred sixty-eight".