1422201427 has 2 divisors, whose sum is σ = 1422201428. Its totient is φ = 1422201426.

The previous prime is 1422201421. The next prime is 1422201439. The reversal of 1422201427 is 7241022241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422201427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422201421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711100713 + 711100714.

It is an arithmetic number, because the mean of its divisors is an integer number (711100714).

Almost surely, 2^1422201427 is an apocalyptic number.

1422201427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422201427 is an equidigital number, since it uses as much as digits as its factorization.

1422201427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1422201427 is about 37712.0859539750. The cubic root of 1422201427 is about 1124.5714059893.

Adding to 1422201427 its reverse (7241022241), we get a palindrome (8663223668).

The spelling of 1422201427 in words is "one billion, four hundred twenty-two million, two hundred one thousand, four hundred twenty-seven".