225270641 has 2 divisors, whose sum is σ = 225270642. Its totient is φ = 225270640.

The previous prime is 225270629. The next prime is 225270649. The reversal of 225270641 is 146072522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224880016 + 390625 = 14996^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 225270641 - 2¹⁰ = 225269617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225270649) 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, 112635320 + 112635321.

It is an arithmetic number, because the mean of its divisors is an integer number (112635321).

Almost surely, 2^225270641 is an apocalyptic number.

It is an amenable number.

225270641 is a deficient number, since it is larger than the sum of its proper divisors (1).

225270641 is an equidigital number, since it uses as much as digits as its factorization.

225270641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 225270641 is about 15009.0186554618. The cubic root of 225270641 is about 608.4639675085.

The spelling of 225270641 in words is "two hundred twenty-five million, two hundred seventy thousand, six hundred forty-one".