228076697 has 2 divisors, whose sum is σ = 228076698. Its totient is φ = 228076696.

The previous prime is 228076691. The next prime is 228076721. The reversal of 228076697 is 796670822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214651801 + 13424896 = 14651^2 + 3664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228076697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228076691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114038348 + 114038349.

It is an arithmetic number, because the mean of its divisors is an integer number (114038349).

Almost surely, 2^228076697 is an apocalyptic number.

It is an amenable number.

228076697 is a deficient number, since it is larger than the sum of its proper divisors (1).

228076697 is an equidigital number, since it uses as much as digits as its factorization.

228076697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 228076697 is about 15102.2083484502. The cubic root of 228076697 is about 610.9799683244.

The spelling of 228076697 in words is "two hundred twenty-eight million, seventy-six thousand, six hundred ninety-seven".