2258999 has 4 divisors (see below), whose sum is σ = 2270664.
Its totient is φ = 2247336.
The previous prime is 2258987. The next prime is 2259029. The reversal of 2258999 is 9998522.
2258999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 2258999 - 28 = 2258743 is a prime.
It is a Duffinian number.
2258999 is a Rhonda number in base 10.
Its product of digits (116640) is a multiple of the sum of its prime divisors (11664).
It is a plaindrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2258969) 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 3 ways as a sum of consecutive naturals, for example, 5537 + ... + 5930.
It is an arithmetic number, because the mean of its divisors is an integer number (567666).
22258999 is an apocalyptic number.
2258999 is a deficient number, since it is larger than the sum of its proper divisors (11665).
2258999 is a wasteful number, since it uses less digits than its factorization.
2258999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11664.
The product of its digits is 116640, while the sum is 44.
The square root of 2258999 is about 1502.9966733163.
The cubic root of 2258999 is about 131.2115340036.
The spelling of 2258999 in words is "two million, two hundred fifty-eight thousand, nine hundred ninety-nine".