2822663 has 6 divisors (see below), whose sum is σ = 2998776. Its totient is φ = 2656352.

The previous prime is 2822641. The next prime is 2822669. The reversal of 2822663 is 3662282.

It is a de Polignac number, because none of the positive numbers 2^k-2822663 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 (2822669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4595 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (499796).

2^2822663 is an apocalyptic number.

2822663 is a deficient number, since it is larger than the sum of its proper divisors (176113).

2822663 is an equidigital number, since it uses as much as digits as its factorization.

2822663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801 (or 9784 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 2822663 is about 1680.0782719862. The cubic root of 2822663 is about 141.3252221572.

The spelling of 2822663 in words is "two million, eight hundred twenty-two thousand, six hundred sixty-three".