225006647149 has 2 divisors, whose sum is σ = 225006647150. Its totient is φ = 225006647148.

The previous prime is 225006647113. The next prime is 225006647191. The reversal of 225006647149 is 941746600522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181555244649 + 43451402500 = 426093^2 + 208450^2 .

It is a cyclic number.

It is not a de Polignac number, because 225006647149 - 2⁹ = 225006646637 is a prime.

It is a super-2 number, since 2×225006647149² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225006647099 and 225006647108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225006648149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112503323574 + 112503323575.

It is an arithmetic number, because the mean of its divisors is an integer number (112503323575).

Almost surely, 2^225006647149 is an apocalyptic number.

It is an amenable number.

225006647149 is a deficient number, since it is larger than the sum of its proper divisors (1).

225006647149 is an equidigital number, since it uses as much as digits as its factorization.

225006647149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 225006647149 in words is "two hundred twenty-five billion, six million, six hundred forty-seven thousand, one hundred forty-nine".