2257245 has 24 divisors (see below), whose sum is σ = 3958656. Its totient is φ = 1189728.

The previous prime is 2257237. The next prime is 2257247. The reversal of 2257245 is 5427522.

2257245 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 2257245 - 2³ = 2257237 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁶ + 5² + 7 + 2²¹ + 4² + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257247) 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 23 ways as a sum of consecutive naturals, for example, 4392 + ... + 4878.

It is an arithmetic number, because the mean of its divisors is an integer number (164944).

2^2257245 is an apocalyptic number.

It is an amenable number.

2257245 is a deficient number, since it is larger than the sum of its proper divisors (1701411).

2257245 is a wasteful number, since it uses less digits than its factorization.

2257245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 598 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2257245 is about 1502.4130590487. The cubic root of 2257245 is about 131.1775654742.

The spelling of 2257245 in words is "two million, two hundred fifty-seven thousand, two hundred forty-five".