2225746687 has 2 divisors, whose sum is σ = 2225746688. Its totient is φ = 2225746686.

The previous prime is 2225746661. The next prime is 2225746703. The reversal of 2225746687 is 7866475222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225746687 - 2⁷ = 2225746559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2225746687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225746387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112873343 + 1112873344.

It is an arithmetic number, because the mean of its divisors is an integer number (1112873344).

Almost surely, 2^2225746687 is an apocalyptic number.

2225746687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225746687 is an equidigital number, since it uses as much as digits as its factorization.

2225746687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 49.

The square root of 2225746687 is about 47177.8198627279. The cubic root of 2225746687 is about 1305.6454066419.

The spelling of 2225746687 in words is "two billion, two hundred twenty-five million, seven hundred forty-six thousand, six hundred eighty-seven".