9397332221 has 4 divisors (see below), whose sum is σ = 9397714944. Its totient is φ = 9396949500.

The previous prime is 9397332167. The next prime is 9397332223. The reversal of 9397332221 is 1222337939.

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 a cyclic number.

It is not a de Polignac number, because 9397332221 - 2³⁰ = 8323590397 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 (9397332223) 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, 151805 + ... + 204546.

It is an arithmetic number, because the mean of its divisors is an integer number (2349428736).

Almost surely, 2^9397332221 is an apocalyptic number.

It is an amenable number.

9397332221 is a deficient number, since it is larger than the sum of its proper divisors (382723).

9397332221 is a wasteful number, since it uses less digits than its factorization.

9397332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382722.

The product of its digits is 122472, while the sum is 41.

The square root of 9397332221 is about 96939.8381523303. The cubic root of 9397332221 is about 2110.2546222078.

The spelling of 9397332221 in words is "nine billion, three hundred ninety-seven million, three hundred thirty-two thousand, two hundred twenty-one".