168730222 has 16 divisors (see below), whose sum is σ = 270172800. Its totient is φ = 78797880.

The previous prime is 168730201. The next prime is 168730223. The reversal of 168730222 is 222037861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168730223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28572 + ... + 33967.

It is an arithmetic number, because the mean of its divisors is an integer number (16885800).

Almost surely, 2^168730222 is an apocalyptic number.

168730222 is a deficient number, since it is larger than the sum of its proper divisors (101442578).

168730222 is a wasteful number, since it uses less digits than its factorization.

168730222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62631.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 168730222 is about 12989.6197788850. The cubic root of 168730222 is about 552.5831349822.

The spelling of 168730222 in words is "one hundred sixty-eight million, seven hundred thirty thousand, two hundred twenty-two".