22004605221744 has 20 divisors (see below), whose sum is σ = 56845230156296. Its totient is φ = 7334868407232.

The previous prime is 22004605221743. The next prime is 22004605221761. The reversal of 22004605221744 is 44712250640022.

It is a super-2 number, since 2×22004605221744² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004605221743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229214637679 + ... + 229214637774.

Almost surely, 2^{22004605221744} is an apocalyptic number.

22004605221744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22004605221744 is an abundant number, since it is smaller than the sum of its proper divisors (34840624934552).

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

22004605221744 is a wasteful number, since it uses less digits than its factorization.

22004605221744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458429275464 (or 458429275458 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

Adding to 22004605221744 its reverse (44712250640022), we get a palindrome (66716855861766).

The spelling of 22004605221744 in words is "twenty-two trillion, four billion, six hundred five million, two hundred twenty-one thousand, seven hundred forty-four".