1443221322 has 16 divisors (see below), whose sum is σ = 2887064640. Its totient is φ = 480970112.

The previous prime is 1443221317. The next prime is 1443221327. The reversal of 1443221322 is 2231223441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1443221317) and next prime (1443221327).

It is a junction number, because it is equal to n+sod(n) for n = 1443221292 and 1443221301.

It is not an unprimeable number, because it can be changed into a prime (1443221327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7579 + ... + 54257.

It is an arithmetic number, because the mean of its divisors is an integer number (180441540).

Almost surely, 2^1443221322 is an apocalyptic number.

1443221322 is an abundant number, since it is smaller than the sum of its proper divisors (1443843318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443221322 is a wasteful number, since it uses less digits than its factorization.

1443221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51837.

The product of its digits is 2304, while the sum is 24.

The square root of 1443221322 is about 37989.7528552108. The cubic root of 1443221322 is about 1130.0846575570.

Adding to 1443221322 its reverse (2231223441), we get a palindrome (3674444763).

The spelling of 1443221322 in words is "one billion, four hundred forty-three million, two hundred twenty-one thousand, three hundred twenty-two".