228554201 has 2 divisors, whose sum is σ = 228554202. Its totient is φ = 228554200.

The previous prime is 228554113. The next prime is 228554203. The reversal of 228554201 is 102455822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205176976 + 23377225 = 14324^2 + 4835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228554201 is a prime.

Together with 228554203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228554203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114277100 + 114277101.

It is an arithmetic number, because the mean of its divisors is an integer number (114277101).

Almost surely, 2^228554201 is an apocalyptic number.

It is an amenable number.

228554201 is a deficient number, since it is larger than the sum of its proper divisors (1).

228554201 is an equidigital number, since it uses as much as digits as its factorization.

228554201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 228554201 is about 15118.0091612619. The cubic root of 228554201 is about 611.4060560084.

The spelling of 228554201 in words is "two hundred twenty-eight million, five hundred fifty-four thousand, two hundred one".