99323224 has 128 divisors (see below), whose sum is σ = 254822400. Its totient is φ = 35043840.

The previous prime is 99323221. The next prime is 99323233. The reversal of 99323224 is 42232399.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99323224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99323221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632554 + ... + 632710.

It is an arithmetic number, because the mean of its divisors is an integer number (1990800).

Almost surely, 2^99323224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99323224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127411200).

99323224 is an abundant number, since it is smaller than the sum of its proper divisors (155499176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99323224 is a wasteful number, since it uses less digits than its factorization.

99323224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 269 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 99323224 is about 9966.1037522193. The cubic root of 99323224 is about 463.1094069455.

It can be divided in two parts, 99 and 323224, that added together give a palindrome (323323).

The spelling of 99323224 in words is "ninety-nine million, three hundred twenty-three thousand, two hundred twenty-four".