1444220132 has 6 divisors (see below), whose sum is σ = 2527385238. Its totient is φ = 722110064.

The previous prime is 1444220131. The next prime is 1444220137. The reversal of 1444220132 is 2310224441.

It can be written as a sum of positive squares in only one way, i.e., 841812196 + 602407936 = 29014^2 + 24544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1444220098 and 1444220107.

It is not an unprimeable number, because it can be changed into a prime (1444220131) 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, 180527513 + ... + 180527520.

It is an arithmetic number, because the mean of its divisors is an integer number (421230873).

Almost surely, 2^1444220132 is an apocalyptic number.

It is an amenable number.

1444220132 is a deficient number, since it is larger than the sum of its proper divisors (1083165106).

1444220132 is a wasteful number, since it uses less digits than its factorization.

1444220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361055037 (or 361055035 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1444220132 is about 38002.8963633037. The cubic root of 1444220132 is about 1130.3452966220.

Adding to 1444220132 its reverse (2310224441), we get a palindrome (3754444573).

The spelling of 1444220132 in words is "one billion, four hundred forty-four million, two hundred twenty thousand, one hundred thirty-two".