99000228 has 12 divisors (see below), whose sum is σ = 231000560. Its totient is φ = 33000072.

The previous prime is 99000221. The next prime is 99000259. The reversal of 99000228 is 82200099.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99000195 and 99000204.

It is not an unprimeable number, because it can be changed into a prime (99000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124998 + ... + 4125021.

Almost surely, 2^99000228 is an apocalyptic number.

It is an amenable number.

99000228 is an abundant number, since it is smaller than the sum of its proper divisors (132000332).

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

99000228 is a wasteful number, since it uses less digits than its factorization.

99000228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250026 (or 8250024 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 99000228 is about 9949.8858284907. The cubic root of 99000228 is about 462.6068560503.

The spelling of 99000228 in words is "ninety-nine million, two hundred twenty-eight", and thus it is an aban number.