22424242432 has 18 divisors (see below), whose sum is σ = 44760890678. Its totient is φ = 11212121088.

The previous prime is 22424242397. The next prime is 22424242433. The reversal of 22424242432 is 23424242422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22255865856 + 168376576 = 149184^2 + 12976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22424242394 and 22424242403.

It is not an unprimeable number, because it can be changed into a prime (22424242433) by changing a digit.

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 as a sum of consecutive naturals, namely, 43797093 + ... + 43797604.

Almost surely, 2^22424242432 is an apocalyptic number.

It is an amenable number.

22424242432 is a deficient number, since it is larger than the sum of its proper divisors (22336648246).

22424242432 is an frugal number, since it uses more digits than its factorization.

22424242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87594713 (or 87594699 counting only the distinct ones).

The product of its digits is 49152, while the sum is 31.

Adding to 22424242432 its reverse (23424242422), we get a palindrome (45848484854).

The spelling of 22424242432 in words is "twenty-two billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred thirty-two".