225106947049 has 2 divisors, whose sum is σ = 225106947050. Its totient is φ = 225106947048.

The previous prime is 225106947029. The next prime is 225106947103. The reversal of 225106947049 is 940749601522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186261296400 + 38845650649 = 431580^2 + 197093^2 .

It is a cyclic number.

It is not a de Polignac number, because 225106947049 - 2¹¹ = 225106945001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225106946993 and 225106947011.

It is not a weakly prime, because it can be changed into another prime (225106947019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112553473524 + 112553473525.

It is an arithmetic number, because the mean of its divisors is an integer number (112553473525).

Almost surely, 2^225106947049 is an apocalyptic number.

It is an amenable number.

225106947049 is a deficient number, since it is larger than the sum of its proper divisors (1).

225106947049 is an equidigital number, since it uses as much as digits as its factorization.

225106947049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 225106947049 in words is "two hundred twenty-five billion, one hundred six million, nine hundred forty-seven thousand, forty-nine".