2198520 has 96 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 564480.

The previous prime is 2198513. The next prime is 2198527. The reversal of 2198520 is 258912.

2198520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2198513) and next prime (2198527).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198527) 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 in 23 ways as a sum of consecutive naturals, for example, 11062 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^2198520 is an apocalyptic number.

2198520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2198520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706560).

2198520 is an abundant number, since it is smaller than the sum of its proper divisors (5214600).

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

2198520 is a wasteful number, since it uses less digits than its factorization.

2198520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2198520 is about 1482.7407055854. The cubic root of 2198520 is about 130.0299733648.

The spelling of 2198520 in words is "two million, one hundred ninety-eight thousand, five hundred twenty".