228855427 has 2 divisors, whose sum is σ = 228855428. Its totient is φ = 228855426.

The previous prime is 228855413. The next prime is 228855439. The reversal of 228855427 is 724558822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228855427 - 2¹⁹ = 228331139 is a prime.

It is not a weakly prime, because it can be changed into another prime (228855457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114427713 + 114427714.

It is an arithmetic number, because the mean of its divisors is an integer number (114427714).

Almost surely, 2^228855427 is an apocalyptic number.

228855427 is a deficient number, since it is larger than the sum of its proper divisors (1).

228855427 is an equidigital number, since it uses as much as digits as its factorization.

228855427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 43.

The square root of 228855427 is about 15127.9683698770. The cubic root of 228855427 is about 611.6745416289.

The spelling of 228855427 in words is "two hundred twenty-eight million, eight hundred fifty-five thousand, four hundred twenty-seven".