99622289 has 6 divisors (see below), whose sum is σ = 107875206. Its totient is φ = 91958880.

The previous prime is 99622277. The next prime is 99622291. The reversal of 99622289 is 98222699.

It can be written as a sum of positive squares in 3 ways, for example, as 6210064 + 93412225 = 2492^2 + 9665^2 .

It is not a de Polignac number, because 99622289 - 2¹² = 99618193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99622489) 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 5 ways as a sum of consecutive naturals, for example, 294572 + ... + 294909.

It is an arithmetic number, because the mean of its divisors is an integer number (17979201).

Almost surely, 2^99622289 is an apocalyptic number.

It is an amenable number.

99622289 is a deficient number, since it is larger than the sum of its proper divisors (8252917).

99622289 is a wasteful number, since it uses less digits than its factorization.

99622289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589507 (or 589494 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 99622289 is about 9981.0965830414. The cubic root of 99622289 is about 463.5737529878.

The spelling of 99622289 in words is "ninety-nine million, six hundred twenty-two thousand, two hundred eighty-nine".