228142027 has 2 divisors, whose sum is σ = 228142028. Its totient is φ = 228142026.

The previous prime is 228142021. The next prime is 228142039. The reversal of 228142027 is 720241822.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228142027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228141986 and 228142004.

It is not a weakly prime, because it can be changed into another prime (228142021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114071013 + 114071014.

It is an arithmetic number, because the mean of its divisors is an integer number (114071014).

Almost surely, 2^228142027 is an apocalyptic number.

228142027 is a deficient number, since it is larger than the sum of its proper divisors (1).

228142027 is an equidigital number, since it uses as much as digits as its factorization.

228142027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 228142027 is about 15104.3711222944. The cubic root of 228142027 is about 611.0382988646.

Adding to 228142027 its reverse (720241822), we get a palindrome (948383849).

The spelling of 228142027 in words is "two hundred twenty-eight million, one hundred forty-two thousand, twenty-seven".