168421322 has 8 divisors (see below), whose sum is σ = 252891936. Its totient is φ = 84124012.

The previous prime is 168421321. The next prime is 168421349. The reversal of 168421322 is 223124861.

It is a happy number.

168421322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (168421321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40868 + ... + 44799.

It is an arithmetic number, because the mean of its divisors is an integer number (31611492).

Almost surely, 2^168421322 is an apocalyptic number.

168421322 is a deficient number, since it is larger than the sum of its proper divisors (84470614).

168421322 is an equidigital number, since it uses as much as digits as its factorization.

168421322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86652.

The product of its digits is 4608, while the sum is 29.

The square root of 168421322 is about 12977.7240685723. The cubic root of 168421322 is about 552.2457182491.

The spelling of 168421322 in words is "one hundred sixty-eight million, four hundred twenty-one thousand, three hundred twenty-two".