774146222243 has 2 divisors, whose sum is σ = 774146222244. Its totient is φ = 774146222242.

The previous prime is 774146222189. The next prime is 774146222299. The reversal of 774146222243 is 342222641477.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 774146222243 - 2⁸ = 774146221987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 774146222194 and 774146222203.

It is not a weakly prime, because it can be changed into another prime (774146222543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387073111121 + 387073111122.

It is an arithmetic number, because the mean of its divisors is an integer number (387073111122).

Almost surely, 2^774146222243 is an apocalyptic number.

774146222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

774146222243 is an equidigital number, since it uses as much as digits as its factorization.

774146222243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 44.

The spelling of 774146222243 in words is "seven hundred seventy-four billion, one hundred forty-six million, two hundred twenty-two thousand, two hundred forty-three".