2198231 has 8 divisors (see below), whose sum is σ = 2548224. Its totient is φ = 1857240.

The previous prime is 2198227. The next prime is 2198269. The reversal of 2198231 is 1328912.

2198231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2198231 - 2² = 2198227 is a prime.

It is a super-2 number, since 2×2198231² = 9664439058722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2198231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198201) 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 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (318528).

2^2198231 is an apocalyptic number.

2198231 is a deficient number, since it is larger than the sum of its proper divisors (349993).

2198231 is an equidigital number, since it uses as much as digits as its factorization.

2198231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its digits is 864, while the sum is 26.

The square root of 2198231 is about 1482.6432477167. The cubic root of 2198231 is about 130.0242755455.

The spelling of 2198231 in words is "two million, one hundred ninety-eight thousand, two hundred thirty-one".