9273322221 has 4 divisors (see below), whose sum is σ = 12364429632. Its totient is φ = 6182214812.

The previous prime is 9273322217. The next prime is 9273322277. The reversal of 9273322221 is 1222233729.

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 9273322221 - 2² = 9273322217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9273322211) 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, 1545553701 + ... + 1545553706.

It is an arithmetic number, because the mean of its divisors is an integer number (3091107408).

Almost surely, 2^9273322221 is an apocalyptic number.

It is an amenable number.

9273322221 is a deficient number, since it is larger than the sum of its proper divisors (3091107411).

9273322221 is a wasteful number, since it uses less digits than its factorization.

9273322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091107410.

The product of its digits is 18144, while the sum is 33.

The square root of 9273322221 is about 96298.0904327806. The cubic root of 9273322221 is about 2100.9309720277.

The spelling of 9273322221 in words is "nine billion, two hundred seventy-three million, three hundred twenty-two thousand, two hundred twenty-one".