228629167 has 4 divisors (see below), whose sum is σ = 246216040. Its totient is φ = 211042296.

The previous prime is 228629129. The next prime is 228629173. The reversal of 228629167 is 761926822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228629167 - 2¹⁹ = 228104879 is a prime.

It is a super-2 number, since 2×228629167² = 104542592006227778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228629117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8793417 + ... + 8793442.

It is an arithmetic number, because the mean of its divisors is an integer number (61554010).

Almost surely, 2^228629167 is an apocalyptic number.

228629167 is a deficient number, since it is larger than the sum of its proper divisors (17586873).

228629167 is a wasteful number, since it uses less digits than its factorization.

228629167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17586872.

The product of its digits is 145152, while the sum is 43.

The square root of 228629167 is about 15120.4883188342. The cubic root of 228629167 is about 611.4728959612.

The spelling of 228629167 in words is "two hundred twenty-eight million, six hundred twenty-nine thousand, one hundred sixty-seven".