22244212044 has 36 divisors (see below), whose sum is σ = 56381669344. Its totient is φ = 7394529312.

The previous prime is 22244212021. The next prime is 22244212049. The reversal of 22244212044 is 44021244222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 22244211999 and 22244212017.

It is not an unprimeable number, because it can be changed into a prime (22244212049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828607 + ... + 855030.

Almost surely, 2^22244212044 is an apocalyptic number.

It is an amenable number.

22244212044 is an abundant number, since it is smaller than the sum of its proper divisors (34137457300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22244212044 is a wasteful number, since it uses less digits than its factorization.

22244212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684014 (or 1684009 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22244212044 its reverse (44021244222), we get a palindrome (66265456266).

The spelling of 22244212044 in words is "twenty-two billion, two hundred forty-four million, two hundred twelve thousand, forty-four".