8674672221 has 24 divisors (see below), whose sum is σ = 12661575264. Its totient is φ = 5722549920.

The previous prime is 8674672219. The next prime is 8674672283. The reversal of 8674672221 is 1222764768.

It is a happy number.

8674672221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8674672221 - 2¹ = 8674672219 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 (8674672291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930435 + ... + 939711.

It is an arithmetic number, because the mean of its divisors is an integer number (527565636).

Almost surely, 2^8674672221 is an apocalyptic number.

It is an amenable number.

8674672221 is a deficient number, since it is larger than the sum of its proper divisors (3986903043).

8674672221 is a wasteful number, since it uses less digits than its factorization.

8674672221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10361 (or 10358 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 8674672221 is about 93137.9204244973. The cubic root of 8674672221 is about 2054.7123180503.

The spelling of 8674672221 in words is "eight billion, six hundred seventy-four million, six hundred seventy-two thousand, two hundred twenty-one".