22298112 has 80 divisors (see below), whose sum is σ = 66044880. Its totient is φ = 7428096.

The previous prime is 22298099. The next prime is 22298113. The reversal of 22298112 is 21189222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22298113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13018 + ... + 14630.

It is an arithmetic number, because the mean of its divisors is an integer number (825561).

Almost surely, 2^22298112 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 22298112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33022440).

22298112 is an abundant number, since it is smaller than the sum of its proper divisors (43746768).

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

22298112 is an equidigital number, since it uses as much as digits as its factorization.

22298112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1618 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 22298112 is about 4722.0876739002. The cubic root of 22298112 is about 281.4638977286.

The spelling of 22298112 in words is "twenty-two million, two hundred ninety-eight thousand, one hundred twelve".