22421113444 has 12 divisors (see below), whose sum is σ = 40502656768. Its totient is φ = 10848925800.

The previous prime is 22421113441. The next prime is 22421113471. The reversal of 22421113444 is 44431112422.

It is a super-2 number, since 2×22421113444² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22421113441) 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, 90407592 + ... + 90407839.

Almost surely, 2^22421113444 is an apocalyptic number.

It is an amenable number.

22421113444 is a deficient number, since it is larger than the sum of its proper divisors (18081543324).

22421113444 is a wasteful number, since it uses less digits than its factorization.

22421113444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180815466 (or 180815464 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 22421113444 its reverse (44431112422), we get a palindrome (66852225866).

The spelling of 22421113444 in words is "twenty-two billion, four hundred twenty-one million, one hundred thirteen thousand, four hundred forty-four".