4448220845 has 16 divisors (see below), whose sum is σ = 5658981888. Its totient is φ = 3350704320.

The previous prime is 4448220841. The next prime is 4448220857. The reversal of 4448220845 is 5480228444.

It is not a de Polignac number, because 4448220845 - 2² = 4448220841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4448220841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382079 + ... + 393548.

It is an arithmetic number, because the mean of its divisors is an integer number (353686368).

Almost surely, 2^4448220845 is an apocalyptic number.

It is an amenable number.

4448220845 is a deficient number, since it is larger than the sum of its proper divisors (1210761043).

4448220845 is a wasteful number, since it uses less digits than its factorization.

4448220845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775700.

The product of its (nonzero) digits is 327680, while the sum is 41.

The square root of 4448220845 is about 66694.9836569438. The cubic root of 4448220845 is about 1644.6069212898.

The spelling of 4448220845 in words is "four billion, four hundred forty-eight million, two hundred twenty thousand, eight hundred forty-five".