774220429 has 2 divisors, whose sum is σ = 774220430. Its totient is φ = 774220428.

The previous prime is 774220387. The next prime is 774220463. The reversal of 774220429 is 924022477.

774220429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746109225 + 28111204 = 27315^2 + 5302^2 .

It is a cyclic number.

It is not a de Polignac number, because 774220429 - 2¹⁹ = 773696141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774226429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387110214 + 387110215.

It is an arithmetic number, because the mean of its divisors is an integer number (387110215).

Almost surely, 2^774220429 is an apocalyptic number.

It is an amenable number.

774220429 is a deficient number, since it is larger than the sum of its proper divisors (1).

774220429 is an equidigital number, since it uses as much as digits as its factorization.

774220429 is an odious number, because the sum of its binary digits is odd.

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

The square root of 774220429 is about 27824.8167828649. The cubic root of 774220429 is about 918.2371840432.

The spelling of 774220429 in words is "seven hundred seventy-four million, two hundred twenty thousand, four hundred twenty-nine".