28822663 has 16 divisors (see below), whose sum is σ = 30433536. Its totient is φ = 27276480.

The previous prime is 28822649. The next prime is 28822669. The reversal of 28822663 is 36622882.

It is a cyclic number.

It is not a de Polignac number, because 28822663 - 2¹⁷ = 28691591 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 (28822669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347220 + ... + 347302.

It is an arithmetic number, because the mean of its divisors is an integer number (1902096).

Almost surely, 2^28822663 is an apocalyptic number.

28822663 is a deficient number, since it is larger than the sum of its proper divisors (1610873).

28822663 is an equidigital number, since it uses as much as digits as its factorization.

28822663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 55296, while the sum is 37.

The square root of 28822663 is about 5368.6742311301. The cubic root of 28822663 is about 306.6041540559.

The spelling of 28822663 in words is "twenty-eight million, eight hundred twenty-two thousand, six hundred sixty-three".