5520221001 has 12 divisors (see below), whose sum is σ = 8007018240. Its totient is φ = 3664747800.

The previous prime is 5520220999. The next prime is 5520221029. The reversal of 5520221001 is 1001220255.

5520221001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5520221001 - 2¹ = 5520220999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5520221041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281025 + ... + 1285326.

It is an arithmetic number, because the mean of its divisors is an integer number (667251520).

Almost surely, 2^5520221001 is an apocalyptic number.

It is an amenable number.

5520221001 is a deficient number, since it is larger than the sum of its proper divisors (2486797239).

5520221001 is a wasteful number, since it uses less digits than its factorization.

5520221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566596 (or 2566593 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5520221001 is about 74298.1897558749. The cubic root of 5520221001 is about 1767.3347697662.

Adding to 5520221001 its reverse (1001220255), we get a palindrome (6521441256).

The spelling of 5520221001 in words is "five billion, five hundred twenty million, two hundred twenty-one thousand, one".