1142221422 has 8 divisors (see below), whose sum is σ = 2284442856. Its totient is φ = 380740472.

The previous prime is 1142221417. The next prime is 1142221429. The reversal of 1142221422 is 2241222411.

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

1142221422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142221429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95185113 + ... + 95185124.

It is an arithmetic number, because the mean of its divisors is an integer number (285555357).

Almost surely, 2^1142221422 is an apocalyptic number.

1142221422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1142221422 is a wasteful number, since it uses less digits than its factorization.

1142221422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190370242.

The product of its digits is 512, while the sum is 21.

The square root of 1142221422 is about 33796.7664429602. The cubic root of 1142221422 is about 1045.3220231132.

Adding to 1142221422 its reverse (2241222411), we get a palindrome (3383443833).

The spelling of 1142221422 in words is "one billion, one hundred forty-two million, two hundred twenty-one thousand, four hundred twenty-two".