2224638761 has 2 divisors, whose sum is σ = 2224638762. Its totient is φ = 2224638760.

The previous prime is 2224638737. The next prime is 2224638839. The reversal of 2224638761 is 1678364222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013227161 + 211411600 = 44869^2 + 14540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224638761 - 2²⁶ = 2157529897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2224638701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112319380 + 1112319381.

It is an arithmetic number, because the mean of its divisors is an integer number (1112319381).

Almost surely, 2^2224638761 is an apocalyptic number.

It is an amenable number.

2224638761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224638761 is an equidigital number, since it uses as much as digits as its factorization.

2224638761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 2224638761 is about 47166.0763791096. The cubic root of 2224638761 is about 1305.4287305052.

The spelling of 2224638761 in words is "two billion, two hundred twenty-four million, six hundred thirty-eight thousand, seven hundred sixty-one".