10225658909 has 2 divisors, whose sum is σ = 10225658910. Its totient is φ = 10225658908.

The previous prime is 10225658881. The next prime is 10225658929. The reversal of 10225658909 is 90985652201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10225658884 + 25 = 101122^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10225658909 is a prime.

It is a super-2 number, since 2×10225658909² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10225658929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5112829454 + 5112829455.

It is an arithmetic number, because the mean of its divisors is an integer number (5112829455).

Almost surely, 2^10225658909 is an apocalyptic number.

It is an amenable number.

10225658909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10225658909 is an equidigital number, since it uses as much as digits as its factorization.

10225658909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 10225658909 in words is "ten billion, two hundred twenty-five million, six hundred fifty-eight thousand, nine hundred nine".