228508303 has 2 divisors, whose sum is σ = 228508304. Its totient is φ = 228508302.

The previous prime is 228508279. The next prime is 228508327. The reversal of 228508303 is 303805822.

It is a balanced prime because it is at equal distance from previous prime (228508279) and next prime (228508327).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228508303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228508393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114254151 + 114254152.

It is an arithmetic number, because the mean of its divisors is an integer number (114254152).

Almost surely, 2^228508303 is an apocalyptic number.

228508303 is a deficient number, since it is larger than the sum of its proper divisors (1).

228508303 is an equidigital number, since it uses as much as digits as its factorization.

228508303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 228508303 is about 15116.4910941660. The cubic root of 228508303 is about 611.3651259741.

The spelling of 228508303 in words is "two hundred twenty-eight million, five hundred eight thousand, three hundred three".