99000229 has 4 divisors (see below), whose sum is σ = 102414060. Its totient is φ = 95586400.

The previous prime is 99000221. The next prime is 99000259. The reversal of 99000229 is 92200099.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42224004 + 56776225 = 6498^2 + 7535^2 .

It is a cyclic number.

It is not a de Polignac number, because 99000229 - 2³ = 99000221 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 99000229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706872 + ... + 1706929.

It is an arithmetic number, because the mean of its divisors is an integer number (25603515).

Almost surely, 2^99000229 is an apocalyptic number.

It is an amenable number.

99000229 is a deficient number, since it is larger than the sum of its proper divisors (3413831).

99000229 is a wasteful number, since it uses less digits than its factorization.

99000229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413830.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99000229 is about 9949.8858787425. The cubic root of 99000229 is about 462.6068576079.

It can be divided in two parts, 9900022 and 9, that multiplied together give a palindrome (89100198).

The spelling of 99000229 in words is "ninety-nine million, two hundred twenty-nine", and thus it is an aban number.