228140167 has 8 divisors (see below), whose sum is σ = 230153600. Its totient is φ = 226135800.

The previous prime is 228140147. The next prime is 228140173. The reversal of 228140167 is 761041822.

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

It is a cyclic number.

It is not a de Polignac number, because 228140167 - 2¹⁹ = 227615879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228140147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54292 + ... + 58342.

It is an arithmetic number, because the mean of its divisors is an integer number (28769200).

Almost surely, 2^228140167 is an apocalyptic number.

228140167 is a deficient number, since it is larger than the sum of its proper divisors (2013433).

228140167 is a wasteful number, since it uses less digits than its factorization.

228140167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 228140167 is about 15104.3095505885. The cubic root of 228140167 is about 611.0366382991.

Adding to 228140167 its reverse (761041822), we get a palindrome (989181989).

The spelling of 228140167 in words is "two hundred twenty-eight million, one hundred forty thousand, one hundred sixty-seven".