228965479 has 2 divisors, whose sum is σ = 228965480. Its totient is φ = 228965478.

The previous prime is 228965467. The next prime is 228965491. The reversal of 228965479 is 974569822.

It is a balanced prime because it is at equal distance from previous prime (228965467) and next prime (228965491).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228965479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228965579) 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, 114482739 + 114482740.

It is an arithmetic number, because the mean of its divisors is an integer number (114482740).

Almost surely, 2^228965479 is an apocalyptic number.

228965479 is a deficient number, since it is larger than the sum of its proper divisors (1).

228965479 is an equidigital number, since it uses as much as digits as its factorization.

228965479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 228965479 is about 15131.6053014873. The cubic root of 228965479 is about 611.7725732700.

The spelling of 228965479 in words is "two hundred twenty-eight million, nine hundred sixty-five thousand, four hundred seventy-nine".