235221041225 has 12 divisors (see below), whose sum is σ = 291681135900. Its totient is φ = 188172288000.

The previous prime is 235221041207. The next prime is 235221041227. The reversal of 235221041225 is 522140122532.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 49848599824 + 185372441401 = 223268^2 + 430549^2 .

It is not a de Polignac number, because 235221041225 - 2¹⁸ = 235220779081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235221041227) 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 in 11 ways as a sum of consecutive naturals, for example, 1274825 + ... + 1447625.

It is an arithmetic number, because the mean of its divisors is an integer number (24306761325).

Almost surely, 2^235221041225 is an apocalyptic number.

235221041225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235221041225 is a deficient number, since it is larger than the sum of its proper divisors (56460094675).

235221041225 is a wasteful number, since it uses less digits than its factorization.

235221041225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227260 (or 227255 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 235221041225 its reverse (522140122532), we get a palindrome (757361163757).

The spelling of 235221041225 in words is "two hundred thirty-five billion, two hundred twenty-one million, forty-one thousand, two hundred twenty-five".