22444042056 has 64 divisors (see below), whose sum is σ = 59566233600. Its totient is φ = 7022834688.

The previous prime is 22444042043. The next prime is 22444042079. The reversal of 22444042056 is 65024044422.

It is a super-2 number, since 2×22444042056² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 84450 + ... + 228078.

It is an arithmetic number, because the mean of its divisors is an integer number (930722400).

Almost surely, 2^22444042056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22444042056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29783116800).

22444042056 is an abundant number, since it is smaller than the sum of its proper divisors (37122191544).

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

22444042056 is a wasteful number, since it uses less digits than its factorization.

22444042056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144038 (or 144034 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 22444042056 its reverse (65024044422), we get a palindrome (87468086478).

The spelling of 22444042056 in words is "twenty-two billion, four hundred forty-four million, forty-two thousand, fifty-six".