22444448450 has 18 divisors (see below), whose sum is σ = 41748644601. Its totient is φ = 8977355640.

The previous prime is 22444448449. The next prime is 22444448513. The reversal of 22444448450 is 5484444422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21995559481 + 448888969 = 148309^2 + 21187^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105935.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22444448398 and 22444448407.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1048757 + ... + 1069943.

Almost surely, 2^22444448450 is an apocalyptic number.

22444448450 is a deficient number, since it is larger than the sum of its proper divisors (19304196151).

22444448450 is an frugal number, since it uses more digits than its factorization.

22444448450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42386 (or 21194 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 41.

The spelling of 22444448450 in words is "twenty-two billion, four hundred forty-four million, four hundred forty-eight thousand, four hundred fifty".