1143442322 has 8 divisors (see below), whose sum is σ = 1871087472. Its totient is φ = 519746500.

The previous prime is 1143442177. The next prime is 1143442327. The reversal of 1143442322 is 2232443411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1143442291 and 1143442300.

It is not an unprimeable number, because it can be changed into a prime (1143442327) 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, 25987304 + ... + 25987347.

It is an arithmetic number, because the mean of its divisors is an integer number (233885934).

Almost surely, 2^1143442322 is an apocalyptic number.

1143442322 is a deficient number, since it is larger than the sum of its proper divisors (727645150).

1143442322 is a wasteful number, since it uses less digits than its factorization.

1143442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51974664.

The product of its digits is 4608, while the sum is 26.

The square root of 1143442322 is about 33814.8239977676. The cubic root of 1143442322 is about 1045.6943324830.

Adding to 1143442322 its reverse (2232443411), we get a palindrome (3375885733).

The spelling of 1143442322 in words is "one billion, one hundred forty-three million, four hundred forty-two thousand, three hundred twenty-two".