2298191 has 8 divisors (see below), whose sum is σ = 2635680. Its totient is φ = 1963008.

The previous prime is 2298161. The next prime is 2298193. The reversal of 2298191 is 1918922.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2298191 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3695 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (329460).

2^2298191 is an apocalyptic number.

2298191 is a deficient number, since it is larger than the sum of its proper divisors (337489).

2298191 is an equidigital number, since it uses as much as digits as its factorization.

2298191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its digits is 2592, while the sum is 32.

The square root of 2298191 is about 1515.9785618537. The cubic root of 2298191 is about 131.9659959855.

The spelling of 2298191 in words is "two million, two hundred ninety-eight thousand, one hundred ninety-one".