7444224449 has 4 divisors (see below), whose sum is σ = 7444974420. Its totient is φ = 7443474480.

The previous prime is 7444224439. The next prime is 7444224451. The reversal of 7444224449 is 9444224447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5530599424 + 1913625025 = 74368^2 + 43745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7444224449 is a prime.

It is a super-3 number, since 3×7444224449³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7444224439) 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, 359894 + ... + 380015.

It is an arithmetic number, because the mean of its divisors is an integer number (1861243605).

Almost surely, 2^7444224449 is an apocalyptic number.

It is an amenable number.

7444224449 is a deficient number, since it is larger than the sum of its proper divisors (749971).

7444224449 is a wasteful number, since it uses less digits than its factorization.

7444224449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749970.

The product of its digits is 1032192, while the sum is 44.

The square root of 7444224449 is about 86279.9191527206. The cubic root of 7444224449 is about 1952.5694333035.

The spelling of 7444224449 in words is "seven billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred forty-nine".