1422257329 has 2 divisors, whose sum is σ = 1422257330. Its totient is φ = 1422257328.

The previous prime is 1422257311. The next prime is 1422257341. The reversal of 1422257329 is 9237522241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077152400 + 345104929 = 32820^2 + 18577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422257329 - 2⁵ = 1422257297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422257129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711128664 + 711128665.

It is an arithmetic number, because the mean of its divisors is an integer number (711128665).

Almost surely, 2^1422257329 is an apocalyptic number.

It is an amenable number.

1422257329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422257329 is an equidigital number, since it uses as much as digits as its factorization.

1422257329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 1422257329 is about 37712.8271149221. The cubic root of 1422257329 is about 1124.5861401813.

The spelling of 1422257329 in words is "one billion, four hundred twenty-two million, two hundred fifty-seven thousand, three hundred twenty-nine".