7247558227213 has 2 divisors, whose sum is σ = 7247558227214. Its totient is φ = 7247558227212.

The previous prime is 7247558227199. The next prime is 7247558227321. The reversal of 7247558227213 is 3127228557427.

Together with next prime (7247558227321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7219308013129 + 28250214084 = 2686877^2 + 168078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7247558227213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7247558227813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3623779113606 + 3623779113607.

It is an arithmetic number, because the mean of its divisors is an integer number (3623779113607).

Almost surely, 2^{7247558227213} is an apocalyptic number.

It is an amenable number.

7247558227213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7247558227213 is an equidigital number, since it uses as much as digits as its factorization.

7247558227213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13171200, while the sum is 55.

The spelling of 7247558227213 in words is "seven trillion, two hundred forty-seven billion, five hundred fifty-eight million, two hundred twenty-seven thousand, two hundred thirteen".