1422331909 has 2 divisors, whose sum is σ = 1422331910. Its totient is φ = 1422331908.

The previous prime is 1422331901. The next prime is 1422331913. The reversal of 1422331909 is 9091332241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378042884 + 44289025 = 37122^2 + 6655^2 .

It is an emirp because it is prime and its reverse (9091332241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422331909 - 2³ = 1422331901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422331901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711165954 + 711165955.

It is an arithmetic number, because the mean of its divisors is an integer number (711165955).

Almost surely, 2^1422331909 is an apocalyptic number.

It is an amenable number.

1422331909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422331909 is an equidigital number, since it uses as much as digits as its factorization.

1422331909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1422331909 is about 37713.8158902013. The cubic root of 1422331909 is about 1124.6057967668.

The spelling of 1422331909 in words is "one billion, four hundred twenty-two million, three hundred thirty-one thousand, nine hundred nine".