2258663 has 16 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 1908000.

The previous prime is 2258657. The next prime is 2258713. The reversal of 2258663 is 3668522.

It is a cyclic number.

It is not a de Polignac number, because 2258663 - 2⁸ = 2258407 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 (2258653) 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 15 ways as a sum of consecutive naturals, for example, 21056 + ... + 21162.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

2^2258663 is an apocalyptic number.

2258663 is a deficient number, since it is larger than the sum of its proper divisors (385177).

2258663 is a wasteful number, since it uses less digits than its factorization.

2258663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its digits is 17280, while the sum is 32.

The square root of 2258663 is about 1502.8848924652. The cubic root of 2258663 is about 131.2050282812.

It can be divided in two parts, 225 and 8663, that added together give a palindrome (8888).

The spelling of 2258663 in words is "two million, two hundred fifty-eight thousand, six hundred sixty-three".