168239227 has 8 divisors (see below), whose sum is σ = 189058464. Its totient is φ = 148545408.

The previous prime is 168239219. The next prime is 168239233. The reversal of 168239227 is 722932861.

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

It is not a de Polignac number, because 168239227 - 2³ = 168239219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168239227.

It is not an unprimeable number, because it can be changed into a prime (168239207) 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, 281038 + ... + 281635.

It is an arithmetic number, because the mean of its divisors is an integer number (23632308).

Almost surely, 2^168239227 is an apocalyptic number.

168239227 is a deficient number, since it is larger than the sum of its proper divisors (20819237).

168239227 is a wasteful number, since it uses less digits than its factorization.

168239227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562709.

The product of its digits is 72576, while the sum is 40.

The square root of 168239227 is about 12970.7064957927. The cubic root of 168239227 is about 552.0466194523.

The spelling of 168239227 in words is "one hundred sixty-eight million, two hundred thirty-nine thousand, two hundred twenty-seven".