168522922 has 8 divisors (see below), whose sum is σ = 253697796. Its totient is φ = 83956992.

The previous prime is 168522917. The next prime is 168522943. The reversal of 168522922 is 229225861.

It can be written as a sum of positive squares in 2 ways, for example, as 156475081 + 12047841 = 12509^2 + 3471^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151543 + ... + 152650.

Almost surely, 2^168522922 is an apocalyptic number.

168522922 is a deficient number, since it is larger than the sum of its proper divisors (85174874).

168522922 is a wasteful number, since it uses less digits than its factorization.

168522922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304472.

The product of its digits is 34560, while the sum is 37.

The square root of 168522922 is about 12981.6378781724. The cubic root of 168522922 is about 552.3567431591.

The spelling of 168522922 in words is "one hundred sixty-eight million, five hundred twenty-two thousand, nine hundred twenty-two".