99210228 has 48 divisors (see below), whose sum is σ = 249923520. Its totient is φ = 30449664.

The previous prime is 99210197. The next prime is 99210233. The reversal of 99210228 is 82201299.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 119551 + ... + 120377.

It is an arithmetic number, because the mean of its divisors is an integer number (5206740).

Almost surely, 2^99210228 is an apocalyptic number.

It is an amenable number.

99210228 is an abundant number, since it is smaller than the sum of its proper divisors (150713292).

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

99210228 is a wasteful number, since it uses less digits than its factorization.

99210228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 99210228 is about 9960.4331231127. The cubic root of 99210228 is about 462.9337200472.

The spelling of 99210228 in words is "ninety-nine million, two hundred ten thousand, two hundred twenty-eight".