22100413444 has 12 divisors (see below), whose sum is σ = 38709275164. Its totient is φ = 11040620544.

The previous prime is 22100413441. The next prime is 22100413471. The reversal of 22100413444 is 44431400122.

It can be written as a sum of positive squares in 2 ways, for example, as 17772089344 + 4328324100 = 133312^2 + 65790^2 .

It is a super-2 number, since 2×22100413444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22100413441) 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, 2391357 + ... + 2400580.

Almost surely, 2^22100413444 is an apocalyptic number.

It is an amenable number.

22100413444 is a deficient number, since it is larger than the sum of its proper divisors (16608861720).

22100413444 is a wasteful number, since it uses less digits than its factorization.

22100413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793094 (or 4793092 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22100413444 its reverse (44431400122), we get a palindrome (66531813566).

The spelling of 22100413444 in words is "twenty-two billion, one hundred million, four hundred thirteen thousand, four hundred forty-four".