9754332221 has 4 divisors (see below), whose sum is σ = 9758161500. Its totient is φ = 9750502944.

The previous prime is 9754332191. The next prime is 9754332229. The reversal of 9754332221 is 1222334579.

9754332221 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, and also an emirpimes, since its reverse is a distinct semiprime: 1222334579 = 2113 ⋅578483.

It can be written as a sum of positive squares in 2 ways, for example, as 8801066596 + 953265625 = 93814^2 + 30875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9754332221 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9754332229) 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, 1910816 + ... + 1915913.

It is an arithmetic number, because the mean of its divisors is an integer number (2439540375).

Almost surely, 2^9754332221 is an apocalyptic number.

It is an amenable number.

9754332221 is a deficient number, since it is larger than the sum of its proper divisors (3829279).

9754332221 is a wasteful number, since it uses less digits than its factorization.

9754332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829278.

The product of its digits is 90720, while the sum is 38.

The square root of 9754332221 is about 98764.0229081420. The cubic root of 9754332221 is about 2136.6457059910.

The spelling of 9754332221 in words is "nine billion, seven hundred fifty-four million, three hundred thirty-two thousand, two hundred twenty-one".