225430224310477 has 2 divisors, whose sum is σ = 225430224310478. Its totient is φ = 225430224310476.

The previous prime is 225430224310363. The next prime is 225430224310523. The reversal of 225430224310477 is 774013422034522.

It is an a-pointer prime, because the next prime (225430224310523) can be obtained adding 225430224310477 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148409748981316 + 77020475329161 = 12182354^2 + 8776131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225430224310477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225430224310777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112715112155238 + 112715112155239.

It is an arithmetic number, because the mean of its divisors is an integer number (112715112155239).

Almost surely, 2^{225430224310477} is an apocalyptic number.

It is an amenable number.

225430224310477 is a deficient number, since it is larger than the sum of its proper divisors (1).

225430224310477 is an equidigital number, since it uses as much as digits as its factorization.

225430224310477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 46.

Adding to 225430224310477 its reverse (774013422034522), we get a palindrome (999443646344999).

The spelling of 225430224310477 in words is "two hundred twenty-five trillion, four hundred thirty billion, two hundred twenty-four million, three hundred ten thousand, four hundred seventy-seven".