2258911 has 4 divisors (see below), whose sum is σ = 2265952. Its totient is φ = 2251872.

The previous prime is 2258903. The next prime is 2258917. The reversal of 2258911 is 1198522.

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 2258911 - 2³ = 2258903 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2258911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (566488).

2^2258911 is an apocalyptic number.

2258911 is a deficient number, since it is larger than the sum of its proper divisors (7041).

2258911 is an equidigital number, since it uses as much as digits as its factorization.

2258911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040.

The product of its digits is 1440, while the sum is 28.

The square root of 2258911 is about 1502.9673981827. The cubic root of 2258911 is about 131.2098301863.

The spelling of 2258911 in words is "two million, two hundred fifty-eight thousand, nine hundred eleven".