2258817 has 8 divisors (see below), whose sum is σ = 3285600. Its totient is φ = 1368960.

The previous prime is 2258803. The next prime is 2258819. The reversal of 2258817 is 7188522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2258817 - 2⁸ = 2258561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 68449 = 2258817 / (2 + 2 + 5 + 8 + 8 + 1 + 7).

2258817 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2258819) 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, 34192 + ... + 34257.

It is an arithmetic number, because the mean of its divisors is an integer number (410700).

2^2258817 is an apocalyptic number.

It is an amenable number.

2258817 is a deficient number, since it is larger than the sum of its proper divisors (1026783).

2258817 is a wasteful number, since it uses less digits than its factorization.

2258817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68463.

The product of its digits is 8960, while the sum is 33.

The square root of 2258817 is about 1502.9361263873. The cubic root of 2258817 is about 131.2080101507.

The spelling of 2258817 in words is "two million, two hundred fifty-eight thousand, eight hundred seventeen".