168457227 has 8 divisors (see below), whose sum is σ = 227773440. Its totient is φ = 110722920.

The previous prime is 168457217. The next prime is 168457231. The reversal of 168457227 is 722754861.

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

It is not a de Polignac number, because 168457227 - 2¹⁴ = 168440843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168457207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395227 + ... + 395652.

It is an arithmetic number, because the mean of its divisors is an integer number (28471680).

Almost surely, 2^168457227 is an apocalyptic number.

168457227 is a deficient number, since it is larger than the sum of its proper divisors (59316213).

168457227 is an equidigital number, since it uses as much as digits as its factorization.

168457227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790953.

The product of its digits is 188160, while the sum is 42.

The square root of 168457227 is about 12979.1073267771. The cubic root of 168457227 is about 552.2849590716.

The spelling of 168457227 in words is "one hundred sixty-eight million, four hundred fifty-seven thousand, two hundred twenty-seven".