228271601 has 2 divisors, whose sum is σ = 228271602. Its totient is φ = 228271600.

The previous prime is 228271591. The next prime is 228271607. The reversal of 228271601 is 106172822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125776225 + 102495376 = 11215^2 + 10124^2 .

It is a cyclic number.

It is not a de Polignac number, because 228271601 - 2¹⁴ = 228255217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (228271607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114135800 + 114135801.

It is an arithmetic number, because the mean of its divisors is an integer number (114135801).

Almost surely, 2^228271601 is an apocalyptic number.

It is an amenable number.

228271601 is a deficient number, since it is larger than the sum of its proper divisors (1).

228271601 is an equidigital number, since it uses as much as digits as its factorization.

228271601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 228271601 is about 15108.6598015840. The cubic root of 228271601 is about 611.1539573620.

The spelling of 228271601 in words is "two hundred twenty-eight million, two hundred seventy-one thousand, six hundred one".