228248117 has 2 divisors, whose sum is σ = 228248118. Its totient is φ = 228248116.

The previous prime is 228248099. The next prime is 228248129. The reversal of 228248117 is 711842822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215531761 + 12716356 = 14681^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 228248117 - 2¹⁴ = 228231733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228248417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114124058 + 114124059.

It is an arithmetic number, because the mean of its divisors is an integer number (114124059).

Almost surely, 2^228248117 is an apocalyptic number.

It is an amenable number.

228248117 is a deficient number, since it is larger than the sum of its proper divisors (1).

228248117 is an equidigital number, since it uses as much as digits as its factorization.

228248117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 35.

The square root of 228248117 is about 15107.8826114052. The cubic root of 228248117 is about 611.1329986565.

The spelling of 228248117 in words is "two hundred twenty-eight million, two hundred forty-eight thousand, one hundred seventeen".