7224164668117 has 2 divisors, whose sum is σ = 7224164668118. Its totient is φ = 7224164668116.

The previous prime is 7224164668103. The next prime is 7224164668151. The reversal of 7224164668117 is 7118664614227.

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., 6971242176721 + 252922491396 = 2640311^2 + 502914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7224164668117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7224164668177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612082334058 + 3612082334059.

It is an arithmetic number, because the mean of its divisors is an integer number (3612082334059).

Almost surely, 2^{7224164668117} is an apocalyptic number.

It is an amenable number.

7224164668117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224164668117 is an equidigital number, since it uses as much as digits as its factorization.

7224164668117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 55.

The spelling of 7224164668117 in words is "seven trillion, two hundred twenty-four billion, one hundred sixty-four million, six hundred sixty-eight thousand, one hundred seventeen".