228801169213 has 2 divisors, whose sum is σ = 228801169214. Its totient is φ = 228801169212.

The previous prime is 228801169109. The next prime is 228801169283. The reversal of 228801169213 is 312961108822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215446362244 + 13354806969 = 464162^2 + 115563^2 .

It is a cyclic number.

It is not a de Polignac number, because 228801169213 - 2²⁵ = 228767614781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228801169213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228801169283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114400584606 + 114400584607.

It is an arithmetic number, because the mean of its divisors is an integer number (114400584607).

Almost surely, 2^228801169213 is an apocalyptic number.

It is an amenable number.

228801169213 is a deficient number, since it is larger than the sum of its proper divisors (1).

228801169213 is an equidigital number, since it uses as much as digits as its factorization.

228801169213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 228801169213 in words is "two hundred twenty-eight billion, eight hundred one million, one hundred sixty-nine thousand, two hundred thirteen".