228174223 has 4 divisors (see below), whose sum is σ = 229627720. Its totient is φ = 226720728.

The previous prime is 228174209. The next prime is 228174239. The reversal of 228174223 is 322471822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228174223 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 (228174203) 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, 726513 + ... + 726826.

It is an arithmetic number, because the mean of its divisors is an integer number (57406930).

Almost surely, 2^228174223 is an apocalyptic number.

228174223 is a deficient number, since it is larger than the sum of its proper divisors (1453497).

228174223 is a wasteful number, since it uses less digits than its factorization.

228174223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453496.

The product of its digits is 10752, while the sum is 31.

The square root of 228174223 is about 15105.4368688893. The cubic root of 228174223 is about 611.0670412873.

The spelling of 228174223 in words is "two hundred twenty-eight million, one hundred seventy-four thousand, two hundred twenty-three".