99641226 has 8 divisors (see below), whose sum is σ = 199282464. Its totient is φ = 33213740.

The previous prime is 99641207. The next prime is 99641257. The reversal of 99641226 is 62214699.

It is a sphenic number, since it is the product of 3 distinct primes.

99641226 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8303430 + ... + 8303441.

It is an arithmetic number, because the mean of its divisors is an integer number (24910308).

Almost surely, 2^99641226 is an apocalyptic number.

99641226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99641226 is a wasteful number, since it uses less digits than its factorization.

99641226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16606876.

The product of its digits is 46656, while the sum is 39.

The square root of 99641226 is about 9982.0451812241. The cubic root of 99641226 is about 463.6031243935.

The spelling of 99641226 in words is "ninety-nine million, six hundred forty-one thousand, two hundred twenty-six".