99322399 has 4 divisors (see below), whose sum is σ = 108351720. Its totient is φ = 90293080.

The previous prime is 99322387. The next prime is 99322403.

99322399 is nontrivially palindromic in base 10.

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-99322399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99322369) 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, 4514644 + ... + 4514665.

It is an arithmetic number, because the mean of its divisors is an integer number (27087930).

Almost surely, 2^99322399 is an apocalyptic number.

99322399 is a deficient number, since it is larger than the sum of its proper divisors (9029321).

99322399 is a wasteful number, since it uses less digits than its factorization.

99322399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9029320.

The product of its digits is 236196, while the sum is 46.

The square root of 99322399 is about 9966.0623618358. The cubic root of 99322399 is about 463.1081247133.

The spelling of 99322399 in words is "ninety-nine million, three hundred twenty-two thousand, three hundred ninety-nine".