22244424 has 16 divisors (see below), whose sum is σ = 55611120. Its totient is φ = 7414800.

The previous prime is 22244413. The next prime is 22244429. The reversal of 22244424 is 42444222.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 926851 = 22244424 / (2 + 2 + 2 + 4 + 4 + 4 + 2 + 4).

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

It is a junction number, because it is equal to n+sod(n) for n = 22244394 and 22244403.

It is not an unprimeable number, because it can be changed into a prime (22244429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463402 + ... + 463449.

It is an arithmetic number, because the mean of its divisors is an integer number (3475695).

Almost surely, 2^22244424 is an apocalyptic number.

22244424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22244424 is an abundant number, since it is smaller than the sum of its proper divisors (33366696).

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

22244424 is a wasteful number, since it uses less digits than its factorization.

22244424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926860 (or 926856 counting only the distinct ones).

The product of its digits is 4096, while the sum is 24.

The square root of 22244424 is about 4716.3994741752. The cubic root of 22244424 is about 281.2378191268.

Adding to 22244424 its reverse (42444222), we get a palindrome (64688646).

The spelling of 22244424 in words is "twenty-two million, two hundred forty-four thousand, four hundred twenty-four".