22083228 has 72 divisors (see below), whose sum is σ = 58509360. Its totient is φ = 7015680.

The previous prime is 22083211. The next prime is 22083233. The reversal of 22083228 is 82238022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78448 + ... + 78728.

It is an arithmetic number, because the mean of its divisors is an integer number (812630).

Almost surely, 2^22083228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22083228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29254680).

22083228 is an abundant number, since it is smaller than the sum of its proper divisors (36426132).

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

22083228 is a wasteful number, since it uses less digits than its factorization.

22083228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22083228 is about 4699.2795192455. The cubic root of 22083228 is about 280.5568340707.

The spelling of 22083228 in words is "twenty-two million, eighty-three thousand, two hundred twenty-eight".