2228201 has 2 divisors, whose sum is σ = 2228202. Its totient is φ = 2228200.

The previous prime is 2228189. The next prime is 2228209. The reversal of 2228201 is 1028222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 1104601 = 1060^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228201 - 2⁶ = 2228137 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228201.

It is not a weakly prime, because it can be changed into another prime (2228209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114100 + 1114101.

It is an arithmetic number, because the mean of its divisors is an integer number (1114101).

2^2228201 is an apocalyptic number.

It is an amenable number.

2228201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228201 is an equidigital number, since it uses as much as digits as its factorization.

2228201 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 17.

The square root of 2228201 is about 1492.7159810225. The cubic root of 2228201 is about 130.6125138588.

The spelling of 2228201 in words is "two million, two hundred twenty-eight thousand, two hundred one".