228814129 has 2 divisors, whose sum is σ = 228814130. Its totient is φ = 228814128.

The previous prime is 228814127. The next prime is 228814133. The reversal of 228814129 is 921418822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195440400 + 33373729 = 13980^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 228814129 - 2¹ = 228814127 is a prime.

Together with 228814127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (228814127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114407064 + 114407065.

It is an arithmetic number, because the mean of its divisors is an integer number (114407065).

Almost surely, 2^228814129 is an apocalyptic number.

It is an amenable number.

228814129 is a deficient number, since it is larger than the sum of its proper divisors (1).

228814129 is an equidigital number, since it uses as much as digits as its factorization.

228814129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 228814129 is about 15126.6033530334. The cubic root of 228814129 is about 611.6377462669.

The spelling of 228814129 in words is "two hundred twenty-eight million, eight hundred fourteen thousand, one hundred twenty-nine".