228791167 has 8 divisors (see below), whose sum is σ = 249719040. Its totient is φ = 207884760.

The previous prime is 228791153. The next prime is 228791209. The reversal of 228791167 is 761197822.

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 228791167 - 2²⁷ = 94573439 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 (228791137) 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 7 ways as a sum of consecutive naturals, for example, 23884 + ... + 32062.

It is an arithmetic number, because the mean of its divisors is an integer number (31214880).

Almost surely, 2^228791167 is an apocalyptic number.

228791167 is a deficient number, since it is larger than the sum of its proper divisors (20927873).

228791167 is a wasteful number, since it uses less digits than its factorization.

228791167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733.

The product of its digits is 84672, while the sum is 43.

The square root of 228791167 is about 15125.8443400691. The cubic root of 228791167 is about 611.6172858524.

The spelling of 228791167 in words is "two hundred twenty-eight million, seven hundred ninety-one thousand, one hundred sixty-seven".