22044351530 has 16 divisors (see below), whose sum is σ = 39776856840. Its totient is φ = 8796179712.

The previous prime is 22044351521. The next prime is 22044351557. The reversal of 22044351530 is 3515344022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21714674881 + 329676649 = 147359^2 + 18157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22044351493 and 22044351502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690819 + ... + 2698998.

Almost surely, 2^22044351530 is an apocalyptic number.

22044351530 is a deficient number, since it is larger than the sum of its proper divisors (17732505310).

22044351530 is a wasteful number, since it uses less digits than its factorization.

22044351530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390233.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 22044351530 its reverse (3515344022), we get a palindrome (25559695552).

The spelling of 22044351530 in words is "twenty-two billion, forty-four million, three hundred fifty-one thousand, five hundred thirty".