22424044442 has 48 divisors (see below), whose sum is σ = 35744933448. Its totient is φ = 10548278400.

The previous prime is 22424044441. The next prime is 22424044453. The reversal of 22424044442 is 24444042422.

It can be written as a sum of positive squares in 4 ways, for example, as 21919098601 + 504945841 = 148051^2 + 22471^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22424044399 and 22424044408.

It is not an unprimeable number, because it can be changed into a prime (22424044441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18485828 + ... + 18487040.

Almost surely, 2^22424044442 is an apocalyptic number.

22424044442 is a deficient number, since it is larger than the sum of its proper divisors (13320889006).

22424044442 is a wasteful number, since it uses less digits than its factorization.

22424044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22424044442 its reverse (24444042422), we get a palindrome (46868086864).

The spelling of 22424044442 in words is "twenty-two billion, four hundred twenty-four million, forty-four thousand, four hundred forty-two".