2245565 has 16 divisors (see below), whose sum is σ = 3120768. Its totient is φ = 1519296.

The previous prime is 2245561. The next prime is 2245577. The reversal of 2245565 is 5655422.

2245565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2245565 - 2² = 2245561 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 2²¹ + 4⁶ + 5² + 5⁴ + 6 + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245561) 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 15 ways as a sum of consecutive naturals, for example, 2519 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (195048).

2^2245565 is an apocalyptic number.

It is an amenable number.

2245565 is a deficient number, since it is larger than the sum of its proper divisors (875203).

2245565 is an equidigital number, since it uses as much as digits as its factorization.

2245565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its digits is 12000, while the sum is 29.

The square root of 2245565 is about 1498.5209374580. The cubic root of 2245565 is about 130.9509168720.

The spelling of 2245565 in words is "two million, two hundred forty-five thousand, five hundred sixty-five".