99622089 has 32 divisors (see below), whose sum is σ = 171457280. Its totient is φ = 55987200.

The previous prime is 99622069. The next prime is 99622097. The reversal of 99622089 is 98022699.

It is not a de Polignac number, because 99622089 - 2⁷ = 99621961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99622009) 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 31 ways as a sum of consecutive naturals, for example, 7209 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (5358040).

Almost surely, 2^99622089 is an apocalyptic number.

It is an amenable number.

99622089 is a deficient number, since it is larger than the sum of its proper divisors (71835191).

99622089 is a wasteful number, since it uses less digits than its factorization.

99622089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718 (or 8712 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 99622089 is about 9981.0865640971. The cubic root of 99622089 is about 463.5734427667.

The spelling of 99622089 in words is "ninety-nine million, six hundred twenty-two thousand, eighty-nine".