228787337 has 2 divisors, whose sum is σ = 228787338. Its totient is φ = 228787336.

The previous prime is 228787333. The next prime is 228787357. The reversal of 228787337 is 733787822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208975936 + 19811401 = 14456^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 228787337 - 2² = 228787333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228787291 and 228787300.

It is not a weakly prime, because it can be changed into another prime (228787331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114393668 + 114393669.

It is an arithmetic number, because the mean of its divisors is an integer number (114393669).

Almost surely, 2^228787337 is an apocalyptic number.

It is an amenable number.

228787337 is a deficient number, since it is larger than the sum of its proper divisors (1).

228787337 is an equidigital number, since it uses as much as digits as its factorization.

228787337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 47.

The square root of 228787337 is about 15125.7177350366. The cubic root of 228787337 is about 611.6138729770.

The spelling of 228787337 in words is "two hundred twenty-eight million, seven hundred eighty-seven thousand, three hundred thirty-seven".