99221133 has 8 divisors (see below), whose sum is σ = 144321696. Its totient is φ = 60134000.

The previous prime is 99221131. The next prime is 99221137. The reversal of 99221133 is 33112299.

It is a happy number.

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 99221133 - 2¹ = 99221131 is a prime.

It is a Curzon number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99221131) 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, 1503318 + ... + 1503383.

It is an arithmetic number, because the mean of its divisors is an integer number (18040212).

Almost surely, 2^99221133 is an apocalyptic number.

It is an amenable number.

99221133 is a deficient number, since it is larger than the sum of its proper divisors (45100563).

99221133 is a wasteful number, since it uses less digits than its factorization.

99221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006715.

The product of its digits is 2916, while the sum is 30.

The square root of 99221133 is about 9960.9805240247. The cubic root of 99221133 is about 462.9506810244.

The spelling of 99221133 in words is "ninety-nine million, two hundred twenty-one thousand, one hundred thirty-three".