228227801 has 2 divisors, whose sum is σ = 228227802. Its totient is φ = 228227800.

The previous prime is 228227749. The next prime is 228227821. The reversal of 228227801 is 108722822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161315401 + 66912400 = 12701^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 228227801 - 2¹⁰ = 228226777 is a prime.

It is not a weakly prime, because it can be changed into another prime (228227821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114113900 + 114113901.

It is an arithmetic number, because the mean of its divisors is an integer number (114113901).

Almost surely, 2^228227801 is an apocalyptic number.

It is an amenable number.

228227801 is a deficient number, since it is larger than the sum of its proper divisors (1).

228227801 is an equidigital number, since it uses as much as digits as its factorization.

228227801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 228227801 is about 15107.2102322037. The cubic root of 228227801 is about 611.1148661281.

The spelling of 228227801 in words is "two hundred twenty-eight million, two hundred twenty-seven thousand, eight hundred one".