228484019 has 2 divisors, whose sum is σ = 228484020. Its totient is φ = 228484018.

The previous prime is 228483929. The next prime is 228484073. The reversal of 228484019 is 910484822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228484019 - 2⁸ = 228483763 is a prime.

It is a super-2 number, since 2×228484019² = 104409893876784722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228484099) 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 as a sum of consecutive naturals, namely, 114242009 + 114242010.

It is an arithmetic number, because the mean of its divisors is an integer number (114242010).

Almost surely, 2^228484019 is an apocalyptic number.

228484019 is a deficient number, since it is larger than the sum of its proper divisors (1).

228484019 is an equidigital number, since it uses as much as digits as its factorization.

228484019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 228484019 is about 15115.6878440910. The cubic root of 228484019 is about 611.3434682393.

The spelling of 228484019 in words is "two hundred twenty-eight million, four hundred eighty-four thousand, nineteen".