28322922 has 16 divisors (see below), whose sum is σ = 57363840. Its totient is φ = 9321312.

The previous prime is 28322911. The next prime is 28322941. The reversal of 28322922 is 22922382.

It is a self number, because there is not a number n which added to its sum of digits gives 28322922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29403 + ... + 30350.

It is an arithmetic number, because the mean of its divisors is an integer number (3585240).

Almost surely, 2^28322922 is an apocalyptic number.

28322922 is an abundant number, since it is smaller than the sum of its proper divisors (29040918).

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

28322922 is a wasteful number, since it uses less digits than its factorization.

28322922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59837.

The product of its digits is 6912, while the sum is 30.

The square root of 28322922 is about 5321.9284098905. The cubic root of 28322922 is about 304.8217968237.

The spelling of 28322922 in words is "twenty-eight million, three hundred twenty-two thousand, nine hundred twenty-two".