99391922 has 16 divisors (see below), whose sum is σ = 170595072. Its totient is φ = 42544320.

The previous prime is 99391891. The next prime is 99391933. The reversal of 99391922 is 22919399.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8858 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (10662192).

Almost surely, 2^99391922 is an apocalyptic number.

99391922 is a deficient number, since it is larger than the sum of its proper divisors (71203150).

99391922 is a wasteful number, since it uses less digits than its factorization.

99391922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713.

The product of its digits is 78732, while the sum is 44.

The square root of 99391922 is about 9969.5497390805. The cubic root of 99391922 is about 463.2161539096.

The spelling of 99391922 in words is "ninety-nine million, three hundred ninety-one thousand, nine hundred twenty-two".