1442216212 has 12 divisors (see below), whose sum is σ = 2526121780. Its totient is φ = 720467136.

The previous prime is 1442216203. The next prime is 1442216213. The reversal of 1442216212 is 2126122441.

It can be written as a sum of positive squares in 2 ways, for example, as 589809796 + 852406416 = 24286^2 + 29196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442216213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155163 + ... + 164194.

Almost surely, 2^1442216212 is an apocalyptic number.

It is an amenable number.

1442216212 is a deficient number, since it is larger than the sum of its proper divisors (1083905568).

1442216212 is a wasteful number, since it uses less digits than its factorization.

1442216212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320490 (or 320488 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1442216212 is about 37976.5218523234. The cubic root of 1442216212 is about 1129.8222530874.

Adding to 1442216212 its reverse (2126122441), we get a palindrome (3568338653).

The spelling of 1442216212 in words is "one billion, four hundred forty-two million, two hundred sixteen thousand, two hundred twelve".