228255737 has 2 divisors, whose sum is σ = 228255738. Its totient is φ = 228255736.

The previous prime is 228255707. The next prime is 228255751. The reversal of 228255737 is 737552822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149915536 + 78340201 = 12244^2 + 8851^2 .

It is a cyclic number.

It is not a de Polignac number, because 228255737 - 2¹² = 228251641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228255694 and 228255703.

It is not a weakly prime, because it can be changed into another prime (228255707) 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, 114127868 + 114127869.

It is an arithmetic number, because the mean of its divisors is an integer number (114127869).

Almost surely, 2^228255737 is an apocalyptic number.

It is an amenable number.

228255737 is a deficient number, since it is larger than the sum of its proper divisors (1).

228255737 is an equidigital number, since it uses as much as digits as its factorization.

228255737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 228255737 is about 15108.1347955332. The cubic root of 228255737 is about 611.1397994160.

The spelling of 228255737 in words is "two hundred twenty-eight million, two hundred fifty-five thousand, seven hundred thirty-seven".