99192228 has 24 divisors (see below), whose sum is σ = 236832288. Its totient is φ = 32294976.

The previous prime is 99192211. The next prime is 99192251. The reversal of 99192228 is 82229199.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99192228.

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, 95601 + ... + 96632.

It is an arithmetic number, because the mean of its divisors is an integer number (9868012).

Almost surely, 2^99192228 is an apocalyptic number.

It is an amenable number.

99192228 is an abundant number, since it is smaller than the sum of its proper divisors (137640060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99192228 is a wasteful number, since it uses less digits than its factorization.

99192228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192283 (or 192281 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 99192228 is about 9959.5295069597. The cubic root of 99192228 is about 462.9057212170.

The spelling of 99192228 in words is "ninety-nine million, one hundred ninety-two thousand, two hundred twenty-eight".