1442231205 has 32 divisors (see below), whose sum is σ = 2347833600. Its totient is φ = 755876352.

The previous prime is 1442231201. The next prime is 1442231239. The reversal of 1442231205 is 5021322441.

It is not a de Polignac number, because 1442231205 - 2² = 1442231201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442231201) 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 31 ways as a sum of consecutive naturals, for example, 219711 + ... + 226179.

It is an arithmetic number, because the mean of its divisors is an integer number (73369800).

Almost surely, 2^1442231205 is an apocalyptic number.

1442231205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442231205 is a deficient number, since it is larger than the sum of its proper divisors (905602395).

1442231205 is a wasteful number, since it uses less digits than its factorization.

1442231205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1442231205 is about 37976.7192500879. The cubic root of 1442231205 is about 1129.8261682115.

Adding to 1442231205 its reverse (5021322441), we get a palindrome (6463553646).

The spelling of 1442231205 in words is "one billion, four hundred forty-two million, two hundred thirty-one thousand, two hundred five".