22245105044 has 24 divisors (see below), whose sum is σ = 39061281000. Its totient is φ = 11084774400.

The previous prime is 22245105011. The next prime is 22245105049. The reversal of 22245105044 is 44050154222.

It can be written as a sum of positive squares in 4 ways, for example, as 11582064400 + 10663040644 = 107620^2 + 103262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22245104998 and 22245105016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245105049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3907352 + ... + 3913040.

It is an arithmetic number, because the mean of its divisors is an integer number (1627553375).

Almost surely, 2^22245105044 is an apocalyptic number.

It is an amenable number.

22245105044 is a deficient number, since it is larger than the sum of its proper divisors (16816175956).

22245105044 is a wasteful number, since it uses less digits than its factorization.

22245105044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843 (or 8841 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22245105044 its reverse (44050154222), we get a palindrome (66295259266).

The spelling of 22245105044 in words is "twenty-two billion, two hundred forty-five million, one hundred five thousand, forty-four".