99109922 has 4 divisors (see below), whose sum is σ = 148664886. Its totient is φ = 49554960.

The previous prime is 99109903. The next prime is 99109937. The reversal of 99109922 is 22990199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22990199 = 2281 ⋅10079.

It can be written as a sum of positive squares in only one way, i.e., 77774761 + 21335161 = 8819^2 + 4619^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99109922.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24777479 + ... + 24777482.

Almost surely, 2^99109922 is an apocalyptic number.

99109922 is a deficient number, since it is larger than the sum of its proper divisors (49554964).

99109922 is a wasteful number, since it uses less digits than its factorization.

99109922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49554963.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 99109922 is about 9955.3966269557. The cubic root of 99109922 is about 462.7776518381. Note that the first 3 decimals are identical.

The spelling of 99109922 in words is "ninety-nine million, one hundred nine thousand, nine hundred twenty-two".