228591841229 has 2 divisors, whose sum is σ = 228591841230. Its totient is φ = 228591841228.

The previous prime is 228591841223. The next prime is 228591841321. The reversal of 228591841229 is 922148195822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122726204329 + 105865636900 = 350323^2 + 325370^2 .

It is a cyclic number.

It is not a de Polignac number, because 228591841229 - 2²⁸ = 228323405773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228591841223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114295920614 + 114295920615.

It is an arithmetic number, because the mean of its divisors is an integer number (114295920615).

Almost surely, 2^228591841229 is an apocalyptic number.

It is an amenable number.

228591841229 is a deficient number, since it is larger than the sum of its proper divisors (1).

228591841229 is an equidigital number, since it uses as much as digits as its factorization.

228591841229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 53.

The spelling of 228591841229 in words is "two hundred twenty-eight billion, five hundred ninety-one million, eight hundred forty-one thousand, two hundred twenty-nine".