2198568 has 32 divisors (see below), whose sum is σ = 5556960. Its totient is φ = 724800.

The previous prime is 2198533. The next prime is 2198569. The reversal of 2198568 is 8658912.

It is not an unprimeable number, because it can be changed into a prime (2198569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (173655).

2^2198568 is an apocalyptic number.

It is an amenable number.

2198568 is an abundant number, since it is smaller than the sum of its proper divisors (3358392).

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

2198568 is a wasteful number, since it uses less digits than its factorization.

2198568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1013 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 2198568 is about 1482.7568917392. The cubic root of 2198568 is about 130.0309196671.

It can be divided in two parts, 21 and 98568, that added together give a palindrome (98589).

The spelling of 2198568 in words is "two million, one hundred ninety-eight thousand, five hundred sixty-eight".