99885422 has 72 divisors (see below), whose sum is σ = 195017976. Its totient is φ = 38211264.

The previous prime is 99885403. The next prime is 99885433. The reversal of 99885422 is 22458899.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 612713 + ... + 612875.

It is an arithmetic number, because the mean of its divisors is an integer number (2708583).

Almost surely, 2^99885422 is an apocalyptic number.

99885422 is a deficient number, since it is larger than the sum of its proper divisors (95132554).

99885422 is a wasteful number, since it uses less digits than its factorization.

99885422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 222 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 99885422 is about 9994.2694580444. The cubic root of 99885422 is about 463.9815409571.

The spelling of 99885422 in words is "ninety-nine million, eight hundred eighty-five thousand, four hundred twenty-two".