2255817 has 8 divisors (see below), whose sum is σ = 3138624. Its totient is φ = 1438448.

The previous prime is 2255797. The next prime is 2255821. The reversal of 2255817 is 7185522.

2255817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2255817 - 2⁶ = 2255753 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2255837) 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 7 ways as a sum of consecutive naturals, for example, 16278 + ... + 16415.

It is an arithmetic number, because the mean of its divisors is an integer number (392328).

2^2255817 is an apocalyptic number.

It is an amenable number.

2255817 is a deficient number, since it is larger than the sum of its proper divisors (882807).

2255817 is a wasteful number, since it uses less digits than its factorization.

2255817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32719.

The product of its digits is 5600, while the sum is 30.

The square root of 2255817 is about 1501.9377483771. The cubic root of 2255817 is about 131.1498973686.

The spelling of 2255817 in words is "two million, two hundred fifty-five thousand, eight hundred seventeen".