1142442322 has 8 divisors (see below), whose sum is σ = 1958472576. Its totient is φ = 489618132.

The previous prime is 1142442307. The next prime is 1142442331. The reversal of 1142442322 is 2232442411.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40801498 + ... + 40801525.

It is an arithmetic number, because the mean of its divisors is an integer number (244809072).

Almost surely, 2^1142442322 is an apocalyptic number.

1142442322 is a deficient number, since it is larger than the sum of its proper divisors (816030254).

1142442322 is an equidigital number, since it uses as much as digits as its factorization.

1142442322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81603032.

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

The square root of 1142442322 is about 33800.0343490950. The cubic root of 1142442322 is about 1045.3894054807.

Adding to 1142442322 its reverse (2232442411), we get a palindrome (3374884733).

The spelling of 1142442322 in words is "one billion, one hundred forty-two million, four hundred forty-two thousand, three hundred twenty-two".