22144021042544 has 10 divisors (see below), whose sum is σ = 42904040769960. Its totient is φ = 11072010521264.

The previous prime is 22144021042537. The next prime is 22144021042553. The reversal of 22144021042544 is 44524012044122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692000657564 + ... + 692000657595.

It is an arithmetic number, because the mean of its divisors is an integer number (4290404076996).

Almost surely, 2^{22144021042544} is an apocalyptic number.

It is an amenable number.

22144021042544 is a deficient number, since it is larger than the sum of its proper divisors (20760019727416).

22144021042544 is a wasteful number, since it uses less digits than its factorization.

22144021042544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384001315167 (or 1384001315161 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 22144021042544 its reverse (44524012044122), we get a palindrome (66668033086666).

The spelling of 22144021042544 in words is "twenty-two trillion, one hundred forty-four billion, twenty-one million, forty-two thousand, five hundred forty-four".