1142444422 has 16 divisors (see below), whose sum is σ = 1961685792. Its totient is φ = 488816640.

The previous prime is 1142444419. The next prime is 1142444441. The reversal of 1142444422 is 2244442411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57979 + ... + 75142.

It is an arithmetic number, because the mean of its divisors is an integer number (122605362).

Almost surely, 2^1142444422 is an apocalyptic number.

1142444422 is a deficient number, since it is larger than the sum of its proper divisors (819241370).

1142444422 is a wasteful number, since it uses less digits than its factorization.

1142444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133743.

The product of its digits is 8192, while the sum is 28.

The square root of 1142444422 is about 33800.0654141379. The cubic root of 1142444422 is about 1045.3900460138.

Adding to 1142444422 its reverse (2244442411), we get a palindrome (3386886833).

The spelling of 1142444422 in words is "one billion, one hundred forty-two million, four hundred forty-four thousand, four hundred twenty-two".