7221174412643 has 2 divisors, whose sum is σ = 7221174412644. Its totient is φ = 7221174412642.

The previous prime is 7221174412601. The next prime is 7221174412687. The reversal of 7221174412643 is 3462144711227.

7221174412643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (7221174412687) can be obtained adding 7221174412643 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7221174412643 - 2¹⁴ = 7221174396259 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7221174412594 and 7221174412603.

It is not a weakly prime, because it can be changed into another prime (7221174412693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610587206321 + 3610587206322.

It is an arithmetic number, because the mean of its divisors is an integer number (3610587206322).

Almost surely, 2^{7221174412643} is an apocalyptic number.

7221174412643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7221174412643 is an equidigital number, since it uses as much as digits as its factorization.

7221174412643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The spelling of 7221174412643 in words is "seven trillion, two hundred twenty-one billion, one hundred seventy-four million, four hundred twelve thousand, six hundred forty-three".