1442142211 has 2 divisors, whose sum is σ = 1442142212. Its totient is φ = 1442142210.

The previous prime is 1442142203. The next prime is 1442142239. The reversal of 1442142211 is 1122412441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442142211 - 2³ = 1442142203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442140211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721071105 + 721071106.

It is an arithmetic number, because the mean of its divisors is an integer number (721071106).

Almost surely, 2^1442142211 is an apocalyptic number.

1442142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442142211 is an equidigital number, since it uses as much as digits as its factorization.

1442142211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 22.

The square root of 1442142211 is about 37975.5475404898. The cubic root of 1442142211 is about 1129.8029287989.

Adding to 1442142211 its reverse (1122412441), we get a palindrome (2564554652).

The spelling of 1442142211 in words is "one billion, four hundred forty-two million, one hundred forty-two thousand, two hundred eleven".