1143223122 has 16 divisors (see below), whose sum is σ = 2406785760. Its totient is φ = 361017792.

The previous prime is 1143223099. The next prime is 1143223127. The reversal of 1143223122 is 2213223411.

It is not an unprimeable number, because it can be changed into a prime (1143223127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5014023 + ... + 5014250.

It is an arithmetic number, because the mean of its divisors is an integer number (150424110).

Almost surely, 2^1143223122 is an apocalyptic number.

1143223122 is an abundant number, since it is smaller than the sum of its proper divisors (1263562638).

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

1143223122 is a wasteful number, since it uses less digits than its factorization.

1143223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028297.

The product of its digits is 576, while the sum is 21.

The square root of 1143223122 is about 33811.5826603843. The cubic root of 1143223122 is about 1045.6275077026.

Adding to 1143223122 its reverse (2213223411), we get a palindrome (3356446533).

The spelling of 1143223122 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred twenty-two".