228143027 has 8 divisors (see below), whose sum is σ = 260827392. Its totient is φ = 195481800.

The previous prime is 228143023. The next prime is 228143033. The reversal of 228143027 is 720341822.

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 228143027 - 2² = 228143023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228143021) 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, 30752 + ... + 37442.

It is an arithmetic number, because the mean of its divisors is an integer number (32603424).

Almost surely, 2^228143027 is an apocalyptic number.

228143027 is a deficient number, since it is larger than the sum of its proper divisors (32684365).

228143027 is an equidigital number, since it uses as much as digits as its factorization.

228143027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11569.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 228143027 is about 15104.4042252583. The cubic root of 228143027 is about 611.0391916380.

Adding to 228143027 its reverse (720341822), we get a palindrome (948484849).

The spelling of 228143027 in words is "two hundred twenty-eight million, one hundred forty-three thousand, twenty-seven".