22383228 has 48 divisors (see below), whose sum is σ = 60462080. Its totient is φ = 6312384.

The previous prime is 22383211. The next prime is 22383241. The reversal of 22383228 is 82238322.

It is a junction number, because it is equal to n+sod(n) for n = 22383195 and 22383204.

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 15 ways as a sum of consecutive naturals, for example, 4950 + ... + 8322.

Almost surely, 2^22383228 is an apocalyptic number.

22383228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22383228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30231040).

22383228 is an abundant number, since it is smaller than the sum of its proper divisors (38078852).

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

22383228 is a wasteful number, since it uses less digits than its factorization.

22383228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3464 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 22383228 is about 4731.0916287893. The cubic root of 22383228 is about 281.8215761834.

It can be divided in two parts, 22 and 383228, that added together give a triangular number (383250 = T₈₇₅).

The spelling of 22383228 in words is "twenty-two million, three hundred eighty-three thousand, two hundred twenty-eight".