8221015005 has 32 divisors (see below), whose sum is σ = 15686313984. Its totient is φ = 3594778176.

The previous prime is 8221014947. The next prime is 8221015007. The reversal of 8221015005 is 5005101228.

It is not a de Polignac number, because 8221015005 - 2⁷ = 8221014877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221015007) 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 31 ways as a sum of consecutive naturals, for example, 1699659 + ... + 1704488.

It is an arithmetic number, because the mean of its divisors is an integer number (490197312).

Almost surely, 2^8221015005 is an apocalyptic number.

It is an amenable number.

8221015005 is a deficient number, since it is larger than the sum of its proper divisors (7465298979).

8221015005 is a wasteful number, since it uses less digits than its factorization.

8221015005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404185.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 8221015005 is about 90669.8130857233. The cubic root of 8221015005 is about 2018.2508634702.

The spelling of 8221015005 in words is "eight billion, two hundred twenty-one million, fifteen thousand, five".