4415221985 has 8 divisors (see below), whose sum is σ = 5329993536. Its totient is φ = 3511026160.

The previous prime is 4415221931. The next prime is 4415221991. The reversal of 4415221985 is 5891225144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4415221985 - 2¹⁰ = 4415220961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643011 + ... + 2644680.

It is an arithmetic number, because the mean of its divisors is an integer number (666249192).

Almost surely, 2^4415221985 is an apocalyptic number.

It is an amenable number.

4415221985 is a deficient number, since it is larger than the sum of its proper divisors (914771551).

4415221985 is a wasteful number, since it uses less digits than its factorization.

4415221985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287863.

The product of its digits is 115200, while the sum is 41.

The square root of 4415221985 is about 66447.1367705186. The cubic root of 4415221985 is about 1640.5300171938.

The spelling of 4415221985 in words is "four billion, four hundred fifteen million, two hundred twenty-one thousand, nine hundred eighty-five".