8220324973 has 4 divisors (see below), whose sum is σ = 9394657120. Its totient is φ = 7045992828.

The previous prime is 8220324961. The next prime is 8220324979. The reversal of 8220324973 is 3794230228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8220324973 - 2⁵ = 8220324941 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 (8220324979) 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 3 ways as a sum of consecutive naturals, for example, 587166063 + ... + 587166076.

It is an arithmetic number, because the mean of its divisors is an integer number (2348664280).

Almost surely, 2^8220324973 is an apocalyptic number.

It is an amenable number.

8220324973 is a deficient number, since it is larger than the sum of its proper divisors (1174332147).

8220324973 is a wasteful number, since it uses less digits than its factorization.

8220324973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174332146.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 8220324973 is about 90666.0078143954. The cubic root of 8220324973 is about 2018.1943945044.

The spelling of 8220324973 in words is "eight billion, two hundred twenty million, three hundred twenty-four thousand, nine hundred seventy-three".