99304223 has 4 divisors (see below), whose sum is σ = 99663000. Its totient is φ = 98945448.

The previous prime is 99304213. The next prime is 99304229. The reversal of 99304223 is 32240399.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99304223 is a prime.

It is a super-2 number, since 2×99304223² = 19722657411267458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99304223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99304229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178973 + ... + 179526.

It is an arithmetic number, because the mean of its divisors is an integer number (24915750).

Almost surely, 2^99304223 is an apocalyptic number.

99304223 is a deficient number, since it is larger than the sum of its proper divisors (358777).

99304223 is a wasteful number, since it uses less digits than its factorization.

99304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358776.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 99304223 is about 9965.1504253574. The cubic root of 99304223 is about 463.0798733928.

The spelling of 99304223 in words is "ninety-nine million, three hundred four thousand, two hundred twenty-three".