28300228211 has 2 divisors, whose sum is σ = 28300228212. Its totient is φ = 28300228210.

The previous prime is 28300228199. The next prime is 28300228241. The reversal of 28300228211 is 11282200382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28300228211 - 2¹⁸ = 28299966067 is a prime.

It is not a weakly prime, because it can be changed into another prime (28300228241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150114105 + 14150114106.

It is an arithmetic number, because the mean of its divisors is an integer number (14150114106).

Almost surely, 2^28300228211 is an apocalyptic number.

28300228211 is a deficient number, since it is larger than the sum of its proper divisors (1).

28300228211 is an equidigital number, since it uses as much as digits as its factorization.

28300228211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 28300228211 its reverse (11282200382), we get a palindrome (39582428593).

The spelling of 28300228211 in words is "twenty-eight billion, three hundred million, two hundred twenty-eight thousand, two hundred eleven".