2245563 has 12 divisors (see below), whose sum is σ = 3364088. Its totient is φ = 1496880.

The previous prime is 2245561. The next prime is 2245577. The reversal of 2245563 is 3655422.

2245563 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 2245563 - 2¹ = 2245561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 4⁷ + 5 + 5 + 6³ + 3⁶ .

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 4378 + ... + 4863.

2^2245563 is an apocalyptic number.

2245563 is a deficient number, since it is larger than the sum of its proper divisors (1118525).

2245563 is an frugal number, since it uses more digits than its factorization.

2245563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9256 (or 9244 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2245563 is about 1498.5202701332. The cubic root of 2245563 is about 130.9508779951.

The spelling of 2245563 in words is "two million, two hundred forty-five thousand, five hundred sixty-three".