99943422 has 8 divisors (see below), whose sum is σ = 199886856. Its totient is φ = 33314472.

The previous prime is 99943409. The next prime is 99943433. The reversal of 99943422 is 22434999.

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

99943422 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8328613 + ... + 8328624.

It is an arithmetic number, because the mean of its divisors is an integer number (24985857).

Almost surely, 2^99943422 is an apocalyptic number.

99943422 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.

99943422 is a wasteful number, since it uses less digits than its factorization.

99943422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16657242.

The product of its digits is 139968, while the sum is 42.

The square root of 99943422 is about 9997.1706997530. The cubic root of 99943422 is about 464.0713295761.

The spelling of 99943422 in words is "ninety-nine million, nine hundred forty-three thousand, four hundred twenty-two".