225006322549 has 2 divisors, whose sum is σ = 225006322550. Its totient is φ = 225006322548.

The previous prime is 225006322487. The next prime is 225006322553. The reversal of 225006322549 is 945223600522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113894100324 + 111112222225 = 337482^2 + 333335^2 .

It is a cyclic number.

It is not a de Polignac number, because 225006322549 - 2¹⁹ = 225005798261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225006325549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112503161274 + 112503161275.

It is an arithmetic number, because the mean of its divisors is an integer number (112503161275).

Almost surely, 2^225006322549 is an apocalyptic number.

It is an amenable number.

225006322549 is a deficient number, since it is larger than the sum of its proper divisors (1).

225006322549 is an equidigital number, since it uses as much as digits as its factorization.

225006322549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 225006322549 in words is "two hundred twenty-five billion, six million, three hundred twenty-two thousand, five hundred forty-nine".