228978599 has 2 divisors, whose sum is σ = 228978600. Its totient is φ = 228978598.

The previous prime is 228978571. The next prime is 228978601. The reversal of 228978599 is 995879822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228978599 - 2²⁴ = 212201383 is a prime.

Together with 228978601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228978509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114489299 + 114489300.

It is an arithmetic number, because the mean of its divisors is an integer number (114489300).

Almost surely, 2^228978599 is an apocalyptic number.

228978599 is a deficient number, since it is larger than the sum of its proper divisors (1).

228978599 is an equidigital number, since it uses as much as digits as its factorization.

228978599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 59.

The square root of 228978599 is about 15132.0388249568. The cubic root of 228978599 is about 611.7842581506.

The spelling of 228978599 in words is "two hundred twenty-eight million, nine hundred seventy-eight thousand, five hundred ninety-nine".