228983129 has 2 divisors, whose sum is σ = 228983130. Its totient is φ = 228983128.

The previous prime is 228983099. The next prime is 228983171. The reversal of 228983129 is 921389822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120406729 + 108576400 = 10973^2 + 10420^2 .

It is a cyclic number.

It is not a de Polignac number, because 228983129 - 2¹⁶ = 228917593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228983129.

It is not a weakly prime, because it can be changed into another prime (228983429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114491564 + 114491565.

It is an arithmetic number, because the mean of its divisors is an integer number (114491565).

Almost surely, 2^228983129 is an apocalyptic number.

It is an amenable number.

228983129 is a deficient number, since it is larger than the sum of its proper divisors (1).

228983129 is an equidigital number, since it uses as much as digits as its factorization.

228983129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 228983129 is about 15132.1885066239. The cubic root of 228983129 is about 611.7882925369.

The spelling of 228983129 in words is "two hundred twenty-eight million, nine hundred eighty-three thousand, one hundred twenty-nine".