1443226216 has 8 divisors (see below), whose sum is σ = 2706049170. Its totient is φ = 721613104.

The previous prime is 1443226201. The next prime is 1443226217. The reversal of 1443226216 is 6126223441.

It can be written as a sum of positive squares in only one way, i.e., 1409702116 + 33524100 = 37546^2 + 5790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1443226217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90201631 + ... + 90201646.

Almost surely, 2^1443226216 is an apocalyptic number.

It is an amenable number.

1443226216 is a deficient number, since it is larger than the sum of its proper divisors (1262822954).

1443226216 is a wasteful number, since it uses less digits than its factorization.

1443226216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180403283 (or 180403279 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 1443226216 is about 37989.8172672626. The cubic root of 1443226216 is about 1130.0859349374.

Adding to 1443226216 its reverse (6126223441), we get a palindrome (7569449657).

The spelling of 1443226216 in words is "one billion, four hundred forty-three million, two hundred twenty-six thousand, two hundred sixteen".