228109167 has 36 divisors (see below), whose sum is σ = 388015992. Its totient is φ = 127310400.

The previous prime is 228109093. The next prime is 228109169. The reversal of 228109167 is 761901822.

It is not a de Polignac number, because 228109167 - 2⁷ = 228109039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228109169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 541617 + ... + 542037.

It is an arithmetic number, because the mean of its divisors is an integer number (10778222).

Almost surely, 2^228109167 is an apocalyptic number.

228109167 is a deficient number, since it is larger than the sum of its proper divisors (159906825).

228109167 is a wasteful number, since it uses less digits than its factorization.

228109167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 228109167 is about 15103.2833185371. The cubic root of 228109167 is about 611.0089608789.

The spelling of 228109167 in words is "two hundred twenty-eight million, one hundred nine thousand, one hundred sixty-seven".