2255305 has 24 divisors (see below), whose sum is σ = 3122712. Its totient is φ = 1557504.

The previous prime is 2255303. The next prime is 2255321. The reversal of 2255305 is 5035522.

It can be written as a sum of positive squares in 12 ways, for example, as 1190281 + 1065024 = 1091^2 + 1032^2 .

It is not a de Polignac number, because 2255305 - 2¹ = 2255303 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 (2255303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14287 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (130113).

2^2255305 is an apocalyptic number.

It is an amenable number.

2255305 is a deficient number, since it is larger than the sum of its proper divisors (867407).

2255305 is a wasteful number, since it uses less digits than its factorization.

2255305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2255305 is about 1501.7672922261. The cubic root of 2255305 is about 131.1399743077.

The spelling of 2255305 in words is "two million, two hundred fifty-five thousand, three hundred five".