1442220411 has 4 divisors (see below), whose sum is σ = 1922960552. Its totient is φ = 961480272.

The previous prime is 1442220401. The next prime is 1442220413. The reversal of 1442220411 is 1140222441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1442220411 - 2²³ = 1433831803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442220413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240370066 + ... + 240370071.

It is an arithmetic number, because the mean of its divisors is an integer number (480740138).

Almost surely, 2^1442220411 is an apocalyptic number.

1442220411 is a deficient number, since it is larger than the sum of its proper divisors (480740141).

1442220411 is an equidigital number, since it uses as much as digits as its factorization.

1442220411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480740140.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1442220411 is about 37976.5771364403. The cubic root of 1442220411 is about 1129.8233495756.

Adding to 1442220411 its reverse (1140222441), we get a palindrome (2582442852).

The spelling of 1442220411 in words is "one billion, four hundred forty-two million, two hundred twenty thousand, four hundred eleven".