1443440422 has 8 divisors (see below), whose sum is σ = 2171586456. Its totient is φ = 719578272.

The previous prime is 1443440419. The next prime is 1443440423. The reversal of 1443440422 is 2240443441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443440423) 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 in 3 ways as a sum of consecutive naturals, for example, 1070128 + ... + 1071475.

It is an arithmetic number, because the mean of its divisors is an integer number (271448307).

Almost surely, 2^1443440422 is an apocalyptic number.

1443440422 is a deficient number, since it is larger than the sum of its proper divisors (728146034).

1443440422 is a wasteful number, since it uses less digits than its factorization.

1443440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141942.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1443440422 is about 37992.6364181271. The cubic root of 1443440422 is about 1130.1418419070.

Adding to 1443440422 its reverse (2240443441), we get a palindrome (3683883863).

The spelling of 1443440422 in words is "one billion, four hundred forty-three million, four hundred forty thousand, four hundred twenty-two".