22224044447 has 8 divisors (see below), whose sum is σ = 24247233360. Its totient is φ = 20201325760.

The previous prime is 22224044369. The next prime is 22224044471. The reversal of 22224044447 is 74444042222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22224044447 - 2²⁰ = 22222995871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224044497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14822 + ... + 211347.

It is an arithmetic number, because the mean of its divisors is an integer number (3030904170).

Almost surely, 2^22224044447 is an apocalyptic number.

22224044447 is a deficient number, since it is larger than the sum of its proper divisors (2023188913).

22224044447 is a wasteful number, since it uses less digits than its factorization.

22224044447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235113.

The product of its (nonzero) digits is 114688, while the sum is 35.

Adding to 22224044447 its reverse (74444042222), we get a palindrome (96668086669).

The spelling of 22224044447 in words is "twenty-two billion, two hundred twenty-four million, forty-four thousand, four hundred forty-seven".