99222299 has 24 divisors (see below), whose sum is σ = 115256736. Its totient is φ = 85184000.

The previous prime is 99222223. The next prime is 99222301.

99222299 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99222299 - 2²⁰ = 98173723 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99222899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280907 + ... + 281259.

It is an arithmetic number, because the mean of its divisors is an integer number (4802364).

Almost surely, 2^99222299 is an apocalyptic number.

99222299 is a deficient number, since it is larger than the sum of its proper divisors (16034437).

99222299 is a wasteful number, since it uses less digits than its factorization.

99222299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 488 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 99222299 is about 9961.0390522274. The cubic root of 99222299 is about 462.9524944767.

It can be divided in two parts, 9922 and 2299, that added together give a palindrome (12221).

The spelling of 99222299 in words is "ninety-nine million, two hundred twenty-two thousand, two hundred ninety-nine".