22200444424 has 16 divisors (see below), whose sum is σ = 41636328300. Its totient is φ = 11097423552.

The previous prime is 22200444419. The next prime is 22200444457. The reversal of 22200444424 is 42444400222.

It can be written as a sum of positive squares in 2 ways, for example, as 19368288900 + 2832155524 = 139170^2 + 53218^2 .

It is a super-2 number, since 2×22200444424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22200444392 and 22200444401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315927 + ... + 379750.

Almost surely, 2^22200444424 is an apocalyptic number.

It is an amenable number.

22200444424 is a deficient number, since it is larger than the sum of its proper divisors (19435883876).

22200444424 is a wasteful number, since it uses less digits than its factorization.

22200444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699672 (or 699668 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22200444424 its reverse (42444400222), we get a palindrome (64644844646).

The spelling of 22200444424 in words is "twenty-two billion, two hundred million, four hundred forty-four thousand, four hundred twenty-four".