28282828229 has 2 divisors, whose sum is σ = 28282828230. Its totient is φ = 28282828228.

The previous prime is 28282828201. The next prime is 28282828283. The reversal of 28282828229 is 92282828282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28047205729 + 235622500 = 167473^2 + 15350^2 .

It is a cyclic number.

It is not a de Polignac number, because 28282828229 - 2⁸ = 28282827973 is a prime.

It is a super-2 number, since 2×28282828229² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28282828829) 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, 14141414114 + 14141414115.

It is an arithmetic number, because the mean of its divisors is an integer number (14141414115).

Almost surely, 2^28282828229 is an apocalyptic number.

It is an amenable number.

28282828229 is a deficient number, since it is larger than the sum of its proper divisors (1).

28282828229 is an equidigital number, since it uses as much as digits as its factorization.

28282828229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2359296, while the sum is 53.

Adding to 28282828229 its sum of digits (53), we get a palindrome (28282828282).

The spelling of 28282828229 in words is "twenty-eight billion, two hundred eighty-two million, eight hundred twenty-eight thousand, two hundred twenty-nine".