228081071 has 2 divisors, whose sum is σ = 228081072. Its totient is φ = 228081070.

The previous prime is 228081067. The next prime is 228081089. The reversal of 228081071 is 170180822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228081071 - 2² = 228081067 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228081001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114040535 + 114040536.

It is an arithmetic number, because the mean of its divisors is an integer number (114040536).

Almost surely, 2^228081071 is an apocalyptic number.

228081071 is a deficient number, since it is larger than the sum of its proper divisors (1).

228081071 is an equidigital number, since it uses as much as digits as its factorization.

228081071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 228081071 is about 15102.3531610143. The cubic root of 228081071 is about 610.9838740417.

The spelling of 228081071 in words is "two hundred twenty-eight million, eighty-one thousand, seventy-one".