22000440224 has 72 divisors (see below), whose sum is σ = 50638845600. Its totient is φ = 9381246336.

The previous prime is 22000440211. The next prime is 22000440239. The reversal of 22000440224 is 42204400022.

It is a junction number, because it is equal to n+sod(n) for n = 22000440196 and 22000440205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276779 + ... + 347285.

It is an arithmetic number, because the mean of its divisors is an integer number (703317300).

Almost surely, 2^22000440224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000440224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25319422800).

22000440224 is an abundant number, since it is smaller than the sum of its proper divisors (28638405376).

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

22000440224 is a wasteful number, since it uses less digits than its factorization.

22000440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70730 (or 70715 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22000440224 its reverse (42204400022), we get a palindrome (64204840246).

The spelling of 22000440224 in words is "twenty-two billion, four hundred forty thousand, two hundred twenty-four".