99170222 has 8 divisors (see below), whose sum is σ = 148798776. Its totient is φ = 49570632.

The previous prime is 99170221. The next prime is 99170237. The reversal of 99170222 is 22207199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99170221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6653 + ... + 15575.

It is an arithmetic number, because the mean of its divisors is an integer number (18599847).

Almost surely, 2^99170222 is an apocalyptic number.

99170222 is a deficient number, since it is larger than the sum of its proper divisors (49628554).

99170222 is a wasteful number, since it uses less digits than its factorization.

99170222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 99170222 is about 9958.4246746160. The cubic root of 99170222 is about 462.8714864895.

The spelling of 99170222 in words is "ninety-nine million, one hundred seventy thousand, two hundred twenty-two".