99002289 has 4 divisors (see below), whose sum is σ = 132003056. Its totient is φ = 66001524.

The previous prime is 99002279. The next prime is 99002291. The reversal of 99002289 is 98220099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98220099 = 3 ⋅32740033.

It is not a de Polignac number, because 99002289 - 2¹⁷ = 98871217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99002219) 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, 16500379 + ... + 16500384.

It is an arithmetic number, because the mean of its divisors is an integer number (33000764).

Almost surely, 2^99002289 is an apocalyptic number.

It is an amenable number.

99002289 is a deficient number, since it is larger than the sum of its proper divisors (33000767).

99002289 is a wasteful number, since it uses less digits than its factorization.

99002289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000766.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 99002289 is about 9949.9893969793. The cubic root of 99002289 is about 462.6100662318.

The spelling of 99002289 in words is "ninety-nine million, two thousand, two hundred eighty-nine".