8444224447 has 8 divisors (see below), whose sum is σ = 8718588032. Its totient is φ = 8169984000.

The previous prime is 8444224427. The next prime is 8444224457. The reversal of 8444224447 is 7444224448.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8444224447 is a prime.

It is a super-2 number, since 2×8444224447² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8444224427) 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, 120463 + ... + 177199.

It is an arithmetic number, because the mean of its divisors is an integer number (1089823504).

Almost surely, 2^8444224447 is an apocalyptic number.

8444224447 is a deficient number, since it is larger than the sum of its proper divisors (274363585).

8444224447 is a wasteful number, since it uses less digits than its factorization.

8444224447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61569.

The product of its digits is 917504, while the sum is 43.

The square root of 8444224447 is about 91892.4613175640. The cubic root of 8444224447 is about 2036.3538972022.

Subtracting from 8444224447 its reverse (7444224448), we obtain a palindrome (999999999).

The spelling of 8444224447 in words is "eight billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred forty-seven".