99917202 has 48 divisors (see below), whose sum is σ = 251044416. Its totient is φ = 25951200.

The previous prime is 99917201. The next prime is 99917227. The reversal of 99917202 is 20271999.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99917201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4749 + ... + 14912.

It is an arithmetic number, because the mean of its divisors is an integer number (5230092).

Almost surely, 2^99917202 is an apocalyptic number.

99917202 is an abundant number, since it is smaller than the sum of its proper divisors (151127214).

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

99917202 is a wasteful number, since it uses less digits than its factorization.

99917202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19695 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 99917202 is about 9995.8592427065. The cubic root of 99917202 is about 464.0307432315.

The spelling of 99917202 in words is "ninety-nine million, nine hundred seventeen thousand, two hundred two".