1143404422 has 4 divisors (see below), whose sum is σ = 1715106636. Its totient is φ = 571702210.

The previous prime is 1143404407. The next prime is 1143404429. The reversal of 1143404422 is 2244043411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2244043411 = 34679 ⋅64709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143404429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285851104 + ... + 285851107.

It is an arithmetic number, because the mean of its divisors is an integer number (428776659).

Almost surely, 2^1143404422 is an apocalyptic number.

1143404422 is a deficient number, since it is larger than the sum of its proper divisors (571702214).

1143404422 is an equidigital number, since it uses as much as digits as its factorization.

1143404422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571702213.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1143404422 is about 33814.2635880186. The cubic root of 1143404422 is about 1045.6827789916.

Adding to 1143404422 its reverse (2244043411), we get a palindrome (3387447833).

The spelling of 1143404422 in words is "one billion, one hundred forty-three million, four hundred four thousand, four hundred twenty-two".