2258887 has 4 divisors (see below), whose sum is σ = 2319976. Its totient is φ = 2197800.

The previous prime is 2258873. The next prime is 2258903. The reversal of 2258887 is 7888522.

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

It is not a de Polignac number, because 2258887 - 2¹⁹ = 1734599 is a prime.

It is a Duffinian number.

2258887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30489 + ... + 30562.

It is an arithmetic number, because the mean of its divisors is an integer number (579994).

2^2258887 is an apocalyptic number.

2258887 is a deficient number, since it is larger than the sum of its proper divisors (61089).

2258887 is an equidigital number, since it uses as much as digits as its factorization.

2258887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61088.

The product of its digits is 71680, while the sum is 40.

The square root of 2258887 is about 1502.9594139563. The cubic root of 2258887 is about 131.2093655011.

The spelling of 2258887 in words is "two million, two hundred fifty-eight thousand, eight hundred eighty-seven".