2198263231 has 4 divisors (see below), whose sum is σ = 2198774200. Its totient is φ = 2197752264.

The previous prime is 2198263201. The next prime is 2198263259. The reversal of 2198263231 is 1323628912.

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

It is a cyclic number.

It is not a de Polignac number, because 2198263231 - 2¹³ = 2198255039 is a prime.

It is a super-2 number, since 2×2198263231² = 9664722465533118722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198263201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248976 + ... + 257653.

It is an arithmetic number, because the mean of its divisors is an integer number (549693550).

Almost surely, 2^2198263231 is an apocalyptic number.

2198263231 is a deficient number, since it is larger than the sum of its proper divisors (510969).

2198263231 is an equidigital number, since it uses as much as digits as its factorization.

2198263231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510968.

The product of its digits is 31104, while the sum is 37.

The square root of 2198263231 is about 46885.6399231151. The cubic root of 2198263231 is about 1300.2491102498.

The spelling of 2198263231 in words is "two billion, one hundred ninety-eight million, two hundred sixty-three thousand, two hundred thirty-one".