1422340043 has 2 divisors, whose sum is σ = 1422340044. Its totient is φ = 1422340042.

The previous prime is 1422340039. The next prime is 1422340063. The reversal of 1422340043 is 3400432241.

It is a weak prime.

It is an emirp because it is prime and its reverse (3400432241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422340043 - 2² = 1422340039 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422340063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711170021 + 711170022.

It is an arithmetic number, because the mean of its divisors is an integer number (711170022).

Almost surely, 2^1422340043 is an apocalyptic number.

1422340043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422340043 is an equidigital number, since it uses as much as digits as its factorization.

1422340043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1422340043 is about 37713.9237285117. The cubic root of 1422340043 is about 1124.6079405529.

Adding to 1422340043 its reverse (3400432241), we get a palindrome (4822772284).

The spelling of 1422340043 in words is "one billion, four hundred twenty-two million, three hundred forty thousand, forty-three".