9221796971 has 4 divisors (see below), whose sum is σ = 9539790000. Its totient is φ = 8903803944.

The previous prime is 9221796959. The next prime is 9221796979. The reversal of 9221796971 is 1796971229.

9221796971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9221796971 - 2⁶ = 9221796907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9221796979) 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 3 ways as a sum of consecutive naturals, for example, 158996471 + ... + 158996528.

It is an arithmetic number, because the mean of its divisors is an integer number (2384947500).

Almost surely, 2^9221796971 is an apocalyptic number.

9221796971 is a deficient number, since it is larger than the sum of its proper divisors (317993029).

9221796971 is a wasteful number, since it uses less digits than its factorization.

9221796971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317993028.

The product of its digits is 857304, while the sum is 53.

The square root of 9221796971 is about 96030.1878109170. The cubic root of 9221796971 is about 2097.0326170333.

The spelling of 9221796971 in words is "nine billion, two hundred twenty-one million, seven hundred ninety-six thousand, nine hundred seventy-one".