9933042221 has 8 divisors (see below), whose sum is σ = 9969960000. Its totient is φ = 9896166720.

The previous prime is 9933042179. The next prime is 9933042233. The reversal of 9933042221 is 1222403399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9933042221 - 2⁶ = 9933042157 is a prime.

It is a super-2 number, since 2×9933042221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9933042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506405 + ... + 525653.

It is an arithmetic number, because the mean of its divisors is an integer number (1246245000).

Almost surely, 2^9933042221 is an apocalyptic number.

It is an amenable number.

9933042221 is a deficient number, since it is larger than the sum of its proper divisors (36917779).

9933042221 is a wasteful number, since it uses less digits than its factorization.

9933042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21139.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 9933042221 is about 99664.6488028729. The cubic root of 9933042221 is about 2149.6153788993.

The spelling of 9933042221 in words is "nine billion, nine hundred thirty-three million, forty-two thousand, two hundred twenty-one".