168522222 has 32 divisors (see below), whose sum is σ = 369742464. Its totient is φ = 50781600.

The previous prime is 168522217. The next prime is 168522253. The reversal of 168522222 is 222225861.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 168522222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4893 + ... + 18999.

It is an arithmetic number, because the mean of its divisors is an integer number (11554452).

Almost surely, 2^168522222 is an apocalyptic number.

168522222 is an abundant number, since it is smaller than the sum of its proper divisors (201220242).

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

168522222 is a wasteful number, since it uses less digits than its factorization.

168522222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304.

The product of its digits is 7680, while the sum is 30.

The square root of 168522222 is about 12981.6109169856. The cubic root of 168522222 is about 552.3559783764.

The spelling of 168522222 in words is "one hundred sixty-eight million, five hundred twenty-two thousand, two hundred twenty-two".