228231129089 has 2 divisors, whose sum is σ = 228231129090. Its totient is φ = 228231129088.

The previous prime is 228231129083. The next prime is 228231129103. The reversal of 228231129089 is 980921132822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226081230400 + 2149898689 = 475480^2 + 46367^2 .

It is a cyclic number.

It is not a de Polignac number, because 228231129089 - 2⁴ = 228231129073 is a prime.

It is not a weakly prime, because it can be changed into another prime (228231129083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114115564544 + 114115564545.

It is an arithmetic number, because the mean of its divisors is an integer number (114115564545).

Almost surely, 2^228231129089 is an apocalyptic number.

It is an amenable number.

228231129089 is a deficient number, since it is larger than the sum of its proper divisors (1).

228231129089 is an equidigital number, since it uses as much as digits as its factorization.

228231129089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 228231129089 in words is "two hundred twenty-eight billion, two hundred thirty-one million, one hundred twenty-nine thousand, eighty-nine".