4421313444 has 24 divisors (see below), whose sum is σ = 10491253920. Its totient is φ = 1448791744.

The previous prime is 4421313443. The next prime is 4421313467. The reversal of 4421313444 is 4443131244.

It is a super-2 number, since 2×4421313444² = 39096025140190282272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4421313443) 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, 3121689 + ... + 3123104.

It is an arithmetic number, because the mean of its divisors is an integer number (437135580).

Almost surely, 2^4421313444 is an apocalyptic number.

It is an amenable number.

4421313444 is an abundant number, since it is smaller than the sum of its proper divisors (6069940476).

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

4421313444 is a wasteful number, since it uses less digits than its factorization.

4421313444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244859 (or 6244857 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 4421313444 is about 66492.9578526929. The cubic root of 4421313444 is about 1641.2841226632.

Adding to 4421313444 its reverse (4443131244), we get a palindrome (8864444688).

The spelling of 4421313444 in words is "four billion, four hundred twenty-one million, three hundred thirteen thousand, four hundred forty-four".