225296222549 has 2 divisors, whose sum is σ = 225296222550. Its totient is φ = 225296222548.

The previous prime is 225296222533. The next prime is 225296222561. The reversal of 225296222549 is 945222692522.

225296222549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195016742449 + 30279480100 = 441607^2 + 174010^2 .

It is a cyclic number.

It is not a de Polignac number, because 225296222549 - 2⁴ = 225296222533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225296222497 and 225296222506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225296222149) 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, 112648111274 + 112648111275.

It is an arithmetic number, because the mean of its divisors is an integer number (112648111275).

Almost surely, 2^225296222549 is an apocalyptic number.

It is an amenable number.

225296222549 is a deficient number, since it is larger than the sum of its proper divisors (1).

225296222549 is an equidigital number, since it uses as much as digits as its factorization.

225296222549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The spelling of 225296222549 in words is "two hundred twenty-five billion, two hundred ninety-six million, two hundred twenty-two thousand, five hundred forty-nine".