99973122 has 8 divisors (see below), whose sum is σ = 199946256. Its totient is φ = 33324372.

The previous prime is 99973099. The next prime is 99973123. The reversal of 99973122 is 22137999.

It is a happy number.

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

99973122 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 not an unprimeable number, because it can be changed into a prime (99973123) 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 3 ways as a sum of consecutive naturals, for example, 8331088 + ... + 8331099.

It is an arithmetic number, because the mean of its divisors is an integer number (24993282).

Almost surely, 2^99973122 is an apocalyptic number.

99973122 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.

99973122 is a wasteful number, since it uses less digits than its factorization.

99973122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16662192.

The product of its digits is 61236, while the sum is 42.

The square root of 99973122 is about 9998.6560096845. The cubic root of 99973122 is about 464.1172940934.

The spelling of 99973122 in words is "ninety-nine million, nine hundred seventy-three thousand, one hundred twenty-two".