1442238419 has 2 divisors, whose sum is σ = 1442238420. Its totient is φ = 1442238418.

The previous prime is 1442238409. The next prime is 1442238463. The reversal of 1442238419 is 9148322441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442238419 - 2¹² = 1442234323 is a prime.

It is a super-2 number, since 2×1442238419² = 4160103314479239122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1442238409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721119209 + 721119210.

It is an arithmetic number, because the mean of its divisors is an integer number (721119210).

Almost surely, 2^1442238419 is an apocalyptic number.

1442238419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442238419 is an equidigital number, since it uses as much as digits as its factorization.

1442238419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 1442238419 is about 37976.8142292110. The cubic root of 1442238419 is about 1129.8280519947.

The spelling of 1442238419 in words is "one billion, four hundred forty-two million, two hundred thirty-eight thousand, four hundred nineteen".