28823922 has 24 divisors (see below), whose sum is σ = 65168064. Its totient is φ = 9190104.

The previous prime is 28823909. The next prime is 28823933. The reversal of 28823922 is 22932882.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34398 + ... + 35225.

It is an arithmetic number, because the mean of its divisors is an integer number (2715336).

Almost surely, 2^28823922 is an apocalyptic number.

28823922 is an abundant number, since it is smaller than the sum of its proper divisors (36344142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28823922 is a wasteful number, since it uses less digits than its factorization.

28823922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69654 (or 69651 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28823922 is about 5368.7914841238. The cubic root of 28823922 is about 306.6086182399.

The spelling of 28823922 in words is "twenty-eight million, eight hundred twenty-three thousand, nine hundred twenty-two".