225575629 has 2 divisors, whose sum is σ = 225575630. Its totient is φ = 225575628.

The previous prime is 225575593. The next prime is 225575641. The reversal of 225575629 is 926575522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189695529 + 35880100 = 13773^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 225575629 - 2⁷ = 225575501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225575029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112787814 + 112787815.

It is an arithmetic number, because the mean of its divisors is an integer number (112787815).

Almost surely, 2^225575629 is an apocalyptic number.

It is an amenable number.

225575629 is a deficient number, since it is larger than the sum of its proper divisors (1).

225575629 is an equidigital number, since it uses as much as digits as its factorization.

225575629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 225575629 is about 15019.1753768308. The cubic root of 225575629 is about 608.7384381373.

The spelling of 225575629 in words is "two hundred twenty-five million, five hundred seventy-five thousand, six hundred twenty-nine".