4421002444 has 12 divisors (see below), whose sum is σ = 7737405984. Its totient is φ = 2210315024.

The previous prime is 4421002423. The next prime is 4421002457. The reversal of 4421002444 is 4442001244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16302 + ... + 95434.

It is an arithmetic number, because the mean of its divisors is an integer number (644783832).

Almost surely, 2^4421002444 is an apocalyptic number.

It is an amenable number.

4421002444 is a deficient number, since it is larger than the sum of its proper divisors (3316403540).

4421002444 is a wasteful number, since it uses less digits than its factorization.

4421002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93104 (or 93102 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4421002444 is about 66490.6192180521. The cubic root of 4421002444 is about 1641.2456385237.

Adding to 4421002444 its reverse (4442001244), we get a palindrome (8863003688).

The spelling of 4421002444 in words is "four billion, four hundred twenty-one million, two thousand, four hundred forty-four".