4647682221 has 64 divisors (see below), whose sum is σ = 7896956928. Its totient is φ = 2365832448.

The previous prime is 4647682211. The next prime is 4647682229. The reversal of 4647682221 is 1222867464.

It is a happy number.

It is not a de Polignac number, because 4647682221 - 2⁶ = 4647682157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4647682229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1281016 + ... + 1284638.

It is an arithmetic number, because the mean of its divisors is an integer number (123389952).

Almost surely, 2^4647682221 is an apocalyptic number.

It is an amenable number.

4647682221 is a deficient number, since it is larger than the sum of its proper divisors (3249274707).

4647682221 is a wasteful number, since it uses less digits than its factorization.

4647682221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its digits is 258048, while the sum is 42.

The square root of 4647682221 is about 68173.9115864713. The cubic root of 4647682221 is about 1668.8301679732.

The spelling of 4647682221 in words is "four billion, six hundred forty-seven million, six hundred eighty-two thousand, two hundred twenty-one".