22243344 has 40 divisors (see below), whose sum is σ = 60844320. Its totient is φ = 6978048.

The previous prime is 22243321. The next prime is 22243349. The reversal of 22243344 is 44334222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22243349) 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, 12814 + ... + 14445.

It is an arithmetic number, because the mean of its divisors is an integer number (1521108).

Almost surely, 2^22243344 is an apocalyptic number.

22243344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22243344 is an abundant number, since it is smaller than the sum of its proper divisors (38600976).

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

22243344 is a wasteful number, since it uses less digits than its factorization.

22243344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27287 (or 27281 counting only the distinct ones).

The product of its digits is 4608, while the sum is 24.

The square root of 22243344 is about 4716.2849786670. The cubic root of 22243344 is about 281.2332675478.

Adding to 22243344 its reverse (44334222), we get a palindrome (66577566).

The spelling of 22243344 in words is "twenty-two million, two hundred forty-three thousand, three hundred forty-four".