228833937109 has 2 divisors, whose sum is σ = 228833937110. Its totient is φ = 228833937108.

The previous prime is 228833937077. The next prime is 228833937323. The reversal of 228833937109 is 901739338822.

228833937109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204530062500 + 24303874609 = 452250^2 + 155897^2 .

It is a cyclic number.

It is not a de Polignac number, because 228833937109 - 2⁵ = 228833937077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228833937109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228833947109) 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, 114416968554 + 114416968555.

It is an arithmetic number, because the mean of its divisors is an integer number (114416968555).

Almost surely, 2^228833937109 is an apocalyptic number.

It is an amenable number.

228833937109 is a deficient number, since it is larger than the sum of its proper divisors (1).

228833937109 is an equidigital number, since it uses as much as digits as its factorization.

228833937109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 228833937109 in words is "two hundred twenty-eight billion, eight hundred thirty-three million, nine hundred thirty-seven thousand, one hundred nine".