1422241243 has 2 divisors, whose sum is σ = 1422241244. Its totient is φ = 1422241242.

The previous prime is 1422241231. The next prime is 1422241309. The reversal of 1422241243 is 3421422241.

It is a weak prime.

It is an emirp because it is prime and its reverse (3421422241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422241243 - 2⁹ = 1422240731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422241213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711120621 + 711120622.

It is an arithmetic number, because the mean of its divisors is an integer number (711120622).

Almost surely, 2^1422241243 is an apocalyptic number.

1422241243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422241243 is an equidigital number, since it uses as much as digits as its factorization.

1422241243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 1422241243 is about 37712.6138447072. The cubic root of 1422241243 is about 1124.5819004046.

Adding to 1422241243 its reverse (3421422241), we get a palindrome (4843663484).

The spelling of 1422241243 in words is "one billion, four hundred twenty-two million, two hundred forty-one thousand, two hundred forty-three".