8352684221 has 32 divisors (see below), whose sum is σ = 10273996800. Its totient is φ = 6631571520.

The previous prime is 8352684217. The next prime is 8352684229. The reversal of 8352684221 is 1224862538.

It is not a de Polignac number, because 8352684221 - 2² = 8352684217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8352684229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1495991 + ... + 1501563.

It is an arithmetic number, because the mean of its divisors is an integer number (321062400).

Almost surely, 2^8352684221 is an apocalyptic number.

It is an amenable number.

8352684221 is a deficient number, since it is larger than the sum of its proper divisors (1921312579).

8352684221 is a wasteful number, since it uses less digits than its factorization.

8352684221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849.

The product of its digits is 184320, while the sum is 41.

The square root of 8352684221 is about 91393.0206361514. The cubic root of 8352684221 is about 2028.9687321783.

The spelling of 8352684221 in words is "eight billion, three hundred fifty-two million, six hundred eighty-four thousand, two hundred twenty-one".