99226689 has 16 divisors (see below), whose sum is σ = 134792064. Its totient is φ = 64915200.

The previous prime is 99226657. The next prime is 99226693. The reversal of 99226689 is 98662299.

It is not a de Polignac number, because 99226689 - 2⁵ = 99226657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99226619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50367 + ... + 52299.

It is an arithmetic number, because the mean of its divisors is an integer number (8424504).

Almost surely, 2^99226689 is an apocalyptic number.

It is an amenable number.

99226689 is a deficient number, since it is larger than the sum of its proper divisors (35565375).

99226689 is a wasteful number, since it uses less digits than its factorization.

99226689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its digits is 839808, while the sum is 51.

The square root of 99226689 is about 9961.2594083278. The cubic root of 99226689 is about 462.9593220128.

The spelling of 99226689 in words is "ninety-nine million, two hundred twenty-six thousand, six hundred eighty-nine".