99210222 has 24 divisors (see below), whose sum is σ = 215645976. Its totient is φ = 32963856.

The previous prime is 99210197. The next prime is 99210233. The reversal of 99210222 is 22201299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2988 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (8985249).

Almost surely, 2^99210222 is an apocalyptic number.

99210222 is an abundant number, since it is smaller than the sum of its proper divisors (116435754).

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

99210222 is a wasteful number, since it uses less digits than its factorization.

99210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17712 (or 17709 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 99210222 is about 9960.4328219209. The cubic root of 99210222 is about 462.9337107148.

The spelling of 99210222 in words is "ninety-nine million, two hundred ten thousand, two hundred twenty-two".