22004515444144 has 10 divisors (see below), whose sum is σ = 42633748673060. Its totient is φ = 11002257722064.

The previous prime is 22004515444139. The next prime is 22004515444159. The reversal of 22004515444144 is 44144451540022.

It is a junction number, because it is equal to n+sod(n) for n = 22004515444097 and 22004515444106.

It is an unprimeable number.

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, 687641107614 + ... + 687641107645.

It is an arithmetic number, because the mean of its divisors is an integer number (4263374867306).

Almost surely, 2^{22004515444144} is an apocalyptic number.

It is an amenable number.

22004515444144 is a deficient number, since it is larger than the sum of its proper divisors (20629233228916).

22004515444144 is a wasteful number, since it uses less digits than its factorization.

22004515444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375282215267 (or 1375282215261 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 22004515444144 its reverse (44144451540022), we get a palindrome (66148966984166).

The spelling of 22004515444144 in words is "twenty-two trillion, four billion, five hundred fifteen million, four hundred forty-four thousand, one hundred forty-four".