2245663 has 8 divisors (see below), whose sum is σ = 2615328. Its totient is φ = 1888224.

The previous prime is 2245657. The next prime is 2245679. The reversal of 2245663 is 3665422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245663 - 2⁵ = 2245631 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 (2245643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2656 + ... + 3397.

It is an arithmetic number, because the mean of its divisors is an integer number (326916).

2^2245663 is an apocalyptic number.

2245663 is a deficient number, since it is larger than the sum of its proper divisors (369665).

2245663 is an equidigital number, since it uses as much as digits as its factorization.

2245663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its digits is 8640, while the sum is 28.

The square root of 2245663 is about 1498.5536360104. The cubic root of 2245663 is about 130.9528218125.

The spelling of 2245663 in words is "two million, two hundred forty-five thousand, six hundred sixty-three".