225730151 has 2 divisors, whose sum is σ = 225730152. Its totient is φ = 225730150.

The previous prime is 225730147. The next prime is 225730201. The reversal of 225730151 is 151037522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225730151 - 2² = 225730147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225730151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225730651) 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, 112865075 + 112865076.

It is an arithmetic number, because the mean of its divisors is an integer number (112865076).

Almost surely, 2^225730151 is an apocalyptic number.

225730151 is a deficient number, since it is larger than the sum of its proper divisors (1).

225730151 is an equidigital number, since it uses as much as digits as its factorization.

225730151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 225730151 is about 15024.3186534365. The cubic root of 225730151 is about 608.8774041112.

Adding to 225730151 its reverse (151037522), we get a palindrome (376767673).

The spelling of 225730151 in words is "two hundred twenty-five million, seven hundred thirty thousand, one hundred fifty-one".