28822773 has 16 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 16429296.

The previous prime is 28822763. The next prime is 28822789. The reversal of 28822773 is 37722882.

It is not a de Polignac number, because 28822773 - 2⁴ = 28822757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28822733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8338 + ... + 11276.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^28822773 is an apocalyptic number.

It is an amenable number.

28822773 is a deficient number, since it is larger than the sum of its proper divisors (15206667).

28822773 is a wasteful number, since it uses less digits than its factorization.

28822773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its digits is 75264, while the sum is 39.

The square root of 28822773 is about 5368.6844757352. The cubic root of 28822773 is about 306.6045441010.

The spelling of 28822773 in words is "twenty-eight million, eight hundred twenty-two thousand, seven hundred seventy-three".