2225287717 has 2 divisors, whose sum is σ = 2225287718. Its totient is φ = 2225287716.

The previous prime is 2225287681. The next prime is 2225287763. The reversal of 2225287717 is 7177825222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1475020836 + 750266881 = 38406^2 + 27391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225287717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225287117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112643858 + 1112643859.

It is an arithmetic number, because the mean of its divisors is an integer number (1112643859).

Almost surely, 2^2225287717 is an apocalyptic number.

It is an amenable number.

2225287717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225287717 is an equidigital number, since it uses as much as digits as its factorization.

2225287717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 219520, while the sum is 43.

The square root of 2225287717 is about 47172.9553557968. The cubic root of 2225287717 is about 1305.5556549987. Note that the first 3 decimals are identical.

The spelling of 2225287717 in words is "two billion, two hundred twenty-five million, two hundred eighty-seven thousand, seven hundred seventeen".