228112201 has 2 divisors, whose sum is σ = 228112202. Its totient is φ = 228112200.

The previous prime is 228112189. The next prime is 228112211. The reversal of 228112201 is 102211822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187662601 + 40449600 = 13699^2 + 6360^2 .

It is a cyclic number.

It is not a de Polignac number, because 228112201 - 2⁵ = 228112169 is a prime.

It is not a weakly prime, because it can be changed into another prime (228112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114056100 + 114056101.

It is an arithmetic number, because the mean of its divisors is an integer number (114056101).

Almost surely, 2^228112201 is an apocalyptic number.

It is an amenable number.

228112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

228112201 is an equidigital number, since it uses as much as digits as its factorization.

228112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 228112201 is about 15103.3837599394. The cubic root of 228112201 is about 611.0116698055.

The spelling of 228112201 in words is "two hundred twenty-eight million, one hundred twelve thousand, two hundred one".