774222049 has 2 divisors, whose sum is σ = 774222050. Its totient is φ = 774222048.

The previous prime is 774222047. The next prime is 774222079. The reversal of 774222049 is 940222477.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702515025 + 71707024 = 26505^2 + 8468^2 .

It is a cyclic number.

It is not a de Polignac number, because 774222049 - 2¹ = 774222047 is a prime.

Together with 774222047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 774221999 and 774222017.

It is not a weakly prime, because it can be changed into another prime (774222047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387111024 + 387111025.

It is an arithmetic number, because the mean of its divisors is an integer number (387111025).

Almost surely, 2^774222049 is an apocalyptic number.

It is an amenable number.

774222049 is a deficient number, since it is larger than the sum of its proper divisors (1).

774222049 is an equidigital number, since it uses as much as digits as its factorization.

774222049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 774222049 is about 27824.8458935535. The cubic root of 774222049 is about 918.2378244910.

It can be divided in two parts, 7742 and 22049, that added together give a cube (29791 = 31³).

The spelling of 774222049 in words is "seven hundred seventy-four million, two hundred twenty-two thousand, forty-nine".