2289191 has 8 divisors (see below), whose sum is σ = 2365440. Its totient is φ = 2214072.

The previous prime is 2289181. The next prime is 2289193. The reversal of 2289191 is 1919822.

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 not a de Polignac number, because 2289191 - 2⁶ = 2289127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289193) 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, 5786 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

2^2289191 is an apocalyptic number.

2289191 is a deficient number, since it is larger than the sum of its proper divisors (76249).

2289191 is a wasteful number, since it uses less digits than its factorization.

2289191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

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

The square root of 2289191 is about 1513.0072703064. The cubic root of 2289191 is about 131.7935055744.

The spelling of 2289191 in words is "two million, two hundred eighty-nine thousand, one hundred ninety-one".