22004144056 has 8 divisors (see below), whose sum is σ = 41257770120. Its totient is φ = 11002072024.

The previous prime is 22004144033. The next prime is 22004144059. The reversal of 22004144056 is 65044140022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22004144056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004144059) 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 as a sum of consecutive naturals, namely, 1375258996 + ... + 1375259011.

It is an arithmetic number, because the mean of its divisors is an integer number (5157221265).

Almost surely, 2^22004144056 is an apocalyptic number.

It is an amenable number.

22004144056 is a deficient number, since it is larger than the sum of its proper divisors (19253626064).

22004144056 is a wasteful number, since it uses less digits than its factorization.

22004144056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750518013 (or 2750518009 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 22004144056 its reverse (65044140022), we get a palindrome (87048284078).

The spelling of 22004144056 in words is "twenty-two billion, four million, one hundred forty-four thousand, fifty-six".