228667173 has 48 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 122241504.

The previous prime is 228667133. The next prime is 228667189. The reversal of 228667173 is 371766822.

228667173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228667173 - 2⁸ = 228666917 is a prime.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228667123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158188 + ... + 159626.

It is an arithmetic number, because the mean of its divisors is an integer number (7879680).

Almost surely, 2^228667173 is an apocalyptic number.

228667173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

228667173 is a deficient number, since it is larger than the sum of its proper divisors (149557467).

228667173 is a wasteful number, since it uses less digits than its factorization.

228667173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1519 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 228667173 is about 15121.7450381892. The cubic root of 228667173 is about 611.5067766650.

The spelling of 228667173 in words is "two hundred twenty-eight million, six hundred sixty-seven thousand, one hundred seventy-three".