1442442427 has 2 divisors, whose sum is σ = 1442442428. Its totient is φ = 1442442426.

The previous prime is 1442442413. The next prime is 1442442451. The reversal of 1442442427 is 7242442441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442442427 - 2²⁷ = 1308224699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442442392 and 1442442401.

It is not a weakly prime, because it can be changed into another prime (1442442457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721221213 + 721221214.

It is an arithmetic number, because the mean of its divisors is an integer number (721221214).

Almost surely, 2^1442442427 is an apocalyptic number.

1442442427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442442427 is an equidigital number, since it uses as much as digits as its factorization.

1442442427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 34.

The square root of 1442442427 is about 37979.5000888637. The cubic root of 1442442427 is about 1129.8813217572.

Adding to 1442442427 its reverse (7242442441), we get a palindrome (8684884868).

The spelling of 1442442427 in words is "one billion, four hundred forty-two million, four hundred forty-two thousand, four hundred twenty-seven".