228504459 has 16 divisors (see below), whose sum is σ = 311662080. Its totient is φ = 148852320.

The previous prime is 228504457. The next prime is 228504461. The reversal of 228504459 is 954405822.

It is an interprime number because it is at equal distance from previous prime (228504457) and next prime (228504461).

It is not a de Polignac number, because 228504459 - 2¹ = 228504457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228504457) 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 15 ways as a sum of consecutive naturals, for example, 136077 + ... + 137745.

It is an arithmetic number, because the mean of its divisors is an integer number (19478880).

Almost surely, 2^228504459 is an apocalyptic number.

228504459 is a deficient number, since it is larger than the sum of its proper divisors (83157621).

228504459 is a wasteful number, since it uses less digits than its factorization.

228504459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 228504459 is about 15116.3639477223. The cubic root of 228504459 is about 611.3616977971.

The spelling of 228504459 in words is "two hundred twenty-eight million, five hundred four thousand, four hundred fifty-nine".