228621059 has 2 divisors, whose sum is σ = 228621060. Its totient is φ = 228621058.

The previous prime is 228621037. The next prime is 228621077. The reversal of 228621059 is 950126822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228621059 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228621859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114310529 + 114310530.

It is an arithmetic number, because the mean of its divisors is an integer number (114310530).

Almost surely, 2^228621059 is an apocalyptic number.

228621059 is a deficient number, since it is larger than the sum of its proper divisors (1).

228621059 is an equidigital number, since it uses as much as digits as its factorization.

228621059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 228621059 is about 15120.2202034230. The cubic root of 228621059 is about 611.4656675442.

The spelling of 228621059 in words is "two hundred twenty-eight million, six hundred twenty-one thousand, fifty-nine".