3630016221 has 16 divisors (see below), whose sum is σ = 5339463360. Its totient is φ = 2179370880.

The previous prime is 3630016127. The next prime is 3630016223. The reversal of 3630016221 is 1226100363.

It is a happy number.

It is not a de Polignac number, because 3630016221 - 2¹¹ = 3630014173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3630016191 and 3630016200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630016223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133491 + ... + 1136688.

It is an arithmetic number, because the mean of its divisors is an integer number (333716460).

Almost surely, 2^3630016221 is an apocalyptic number.

It is an amenable number.

3630016221 is a deficient number, since it is larger than the sum of its proper divisors (1709447139).

3630016221 is a wasteful number, since it uses less digits than its factorization.

3630016221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270236.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3630016221 is about 60249.6159406846. The cubic root of 3630016221 is about 1536.8666573000.

Adding to 3630016221 its reverse (1226100363), we get a palindrome (4856116584).

The spelling of 3630016221 in words is "three billion, six hundred thirty million, sixteen thousand, two hundred twenty-one".