228479 has 2 divisors, whose sum is σ = 228480. Its totient is φ = 228478.

The previous prime is 228469. The next prime is 228509. The reversal of 228479 is 974822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228479 - 2⁸ = 228223 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114239 + 114240.

It is an arithmetic number, because the mean of its divisors is an integer number (114240).

2²²⁸⁴⁷⁹ is an apocalyptic number.

228479 is a deficient number, since it is larger than the sum of its proper divisors (1).

228479 is an equidigital number, since it uses as much as digits as its factorization.

228479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 228479 is about 477.9947698459. The cubic root of 228479 is about 61.1338991843.

It can be divided in two parts, 228 and 479, that added together give a palindrome (707).

The spelling of 228479 in words is "two hundred twenty-eight thousand, four hundred seventy-nine".