99422169 has 32 divisors (see below), whose sum is σ = 172468224. Its totient is φ = 49399680.

The previous prime is 99422161. The next prime is 99422201. The reversal of 99422169 is 96122499.

It is not a de Polignac number, because 99422169 - 2³ = 99422161 is a prime.

It is a super-2 number, since 2×99422169² = 19769535377329122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99422169.

It is not an unprimeable number, because it can be changed into a prime (99422161) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4044 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (5389632).

Almost surely, 2^99422169 is an apocalyptic number.

It is an amenable number.

99422169 is a deficient number, since it is larger than the sum of its proper divisors (73046055).

99422169 is a wasteful number, since it uses less digits than its factorization.

99422169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757.

The product of its digits is 69984, while the sum is 42.

The square root of 99422169 is about 9971.0665928977. The cubic root of 99422169 is about 463.2631378686.

The spelling of 99422169 in words is "ninety-nine million, four hundred twenty-two thousand, one hundred sixty-nine".