2255517 has 12 divisors (see below), whose sum is σ = 3554304. Its totient is φ = 1366920.

The previous prime is 2255507. The next prime is 2255549. The reversal of 2255517 is 7155522.

It is a happy number.

2255517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2255517 - 2⁴ = 2255501 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255507) 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 11 ways as a sum of consecutive naturals, for example, 11293 + ... + 11490.

It is an arithmetic number, because the mean of its divisors is an integer number (296192).

2^2255517 is an apocalyptic number.

It is an amenable number.

2255517 is a deficient number, since it is larger than the sum of its proper divisors (1298787).

2255517 is a wasteful number, since it uses less digits than its factorization.

2255517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22800 (or 22797 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 2255517 is about 1501.8378740730. The cubic root of 2255517 is about 131.1440832573.

It can be divided in two parts, 2255 and 517, that added together give a palindrome (2772).

The spelling of 2255517 in words is "two million, two hundred fifty-five thousand, five hundred seventeen".