225154201 has 2 divisors, whose sum is σ = 225154202. Its totient is φ = 225154200.

The previous prime is 225154177. The next prime is 225154217. The reversal of 225154201 is 102451522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145926400 + 79227801 = 12080^2 + 8901^2 .

It is a cyclic number.

It is not a de Polignac number, because 225154201 - 2⁹ = 225153689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225154261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112577100 + 112577101.

It is an arithmetic number, because the mean of its divisors is an integer number (112577101).

Almost surely, 2^225154201 is an apocalyptic number.

It is an amenable number.

225154201 is a deficient number, since it is larger than the sum of its proper divisors (1).

225154201 is an equidigital number, since it uses as much as digits as its factorization.

225154201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 225154201 is about 15005.1391529702. The cubic root of 225154201 is about 608.3591132546.

The spelling of 225154201 in words is "two hundred twenty-five million, one hundred fifty-four thousand, two hundred one".