2201000221 has 16 divisors (see below), whose sum is σ = 2535401088. Its totient is φ = 1871654400.

The previous prime is 2201000189. The next prime is 2201000239. The reversal of 2201000221 is 1220001022.

It is not a de Polignac number, because 2201000221 - 2⁵ = 2201000189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201000198 and 2201000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201000281) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 471726 + ... + 476368.

It is an arithmetic number, because the mean of its divisors is an integer number (158462568).

Almost surely, 2^2201000221 is an apocalyptic number.

It is an amenable number.

2201000221 is a deficient number, since it is larger than the sum of its proper divisors (334400867).

2201000221 is a wasteful number, since it uses less digits than its factorization.

2201000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2201000221 is about 46914.8187782922. The cubic root of 2201000221 is about 1300.7885198485.

Adding to 2201000221 its reverse (1220001022), we get a palindrome (3421001243).

The spelling of 2201000221 in words is "two billion, two hundred one million, two hundred twenty-one", and thus it is an aban number.