22440433344 has 56 divisors (see below), whose sum is σ = 67855600128. Its totient is φ = 6411552000.

The previous prime is 22440433343. The next prime is 22440433369. The reversal of 22440433344 is 44333404422.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (22440433343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8347032 + ... + 8349719.

Almost surely, 2^22440433344 is an apocalyptic number.

22440433344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22440433344 is an abundant number, since it is smaller than the sum of its proper divisors (45415166784).

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

22440433344 is a wasteful number, since it uses less digits than its factorization.

22440433344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696773 (or 16696763 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 22440433344 its reverse (44333404422), we get a palindrome (66773837766).

The spelling of 22440433344 in words is "twenty-two billion, four hundred forty million, four hundred thirty-three thousand, three hundred forty-four".