225204434029 has 2 divisors, whose sum is σ = 225204434030. Its totient is φ = 225204434028.

The previous prime is 225204433981. The next prime is 225204434047. The reversal of 225204434029 is 920434402522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199181904804 + 26022529225 = 446298^2 + 161315^2 .

It is a cyclic number.

It is not a de Polignac number, because 225204434029 - 2¹¹ = 225204431981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225204434729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112602217014 + 112602217015.

It is an arithmetic number, because the mean of its divisors is an integer number (112602217015).

Almost surely, 2^225204434029 is an apocalyptic number.

It is an amenable number.

225204434029 is a deficient number, since it is larger than the sum of its proper divisors (1).

225204434029 is an equidigital number, since it uses as much as digits as its factorization.

225204434029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 225204434029 in words is "two hundred twenty-five billion, two hundred four million, four hundred thirty-four thousand, twenty-nine".