9933222857 has 8 divisors (see below), whose sum is σ = 10502090400. Its totient is φ = 9368961984.

The previous prime is 9933222853. The next prime is 9933222881. The reversal of 9933222857 is 7582223399.

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 9933222857 - 2² = 9933222853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9933222853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147232 + ... + 1155857.

It is an arithmetic number, because the mean of its divisors is an integer number (1312761300).

Almost surely, 2^9933222857 is an apocalyptic number.

It is an amenable number.

9933222857 is a deficient number, since it is larger than the sum of its proper divisors (568867543).

9933222857 is a wasteful number, since it uses less digits than its factorization.

9933222857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303335.

The product of its digits is 1632960, while the sum is 50.

The square root of 9933222857 is about 99665.5550177693. Note that the first 3 decimals coincide. The cubic root of 9933222857 is about 2149.6284093339.

The spelling of 9933222857 in words is "nine billion, nine hundred thirty-three million, two hundred twenty-two thousand, eight hundred fifty-seven".