22283828 has 72 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 8964480.

The previous prime is 22283791. The next prime is 22283837. The reversal of 22283828 is 82838222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377663 + ... + 377721.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^22283828 is an apocalyptic number.

22283828 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 22283828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24131520).

22283828 is an abundant number, since it is smaller than the sum of its proper divisors (25979212).

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

22283828 is a wasteful number, since it uses less digits than its factorization.

22283828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 156 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 22283828 is about 4720.5749649804. The cubic root of 22283828 is about 281.4037836839.

The spelling of 22283828 in words is "twenty-two million, two hundred eighty-three thousand, eight hundred twenty-eight".