4444451224 has 16 divisors (see below), whose sum is σ = 8510652000. Its totient is φ = 2174944032.

The previous prime is 4444451213. The next prime is 4444451239. The reversal of 4444451224 is 4221544444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4444451224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5909799 + ... + 5910550.

It is an arithmetic number, because the mean of its divisors is an integer number (531915750).

Almost surely, 2^4444451224 is an apocalyptic number.

It is an amenable number.

4444451224 is a deficient number, since it is larger than the sum of its proper divisors (4066200776).

4444451224 is a wasteful number, since it uses less digits than its factorization.

4444451224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820402 (or 11820398 counting only the distinct ones).

The product of its digits is 81920, while the sum is 34.

The square root of 4444451224 is about 66666.7175133139. The cubic root of 4444451224 is about 1644.1422188776.

Adding to 4444451224 its reverse (4221544444), we get a palindrome (8665995668).

The spelling of 4444451224 in words is "four billion, four hundred forty-four million, four hundred fifty-one thousand, two hundred twenty-four".