1142240322 has 16 divisors (see below), whose sum is σ = 2358173952. Its totient is φ = 368464560.

The previous prime is 1142240317. The next prime is 1142240369. The reversal of 1142240322 is 2230422411.

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, 3070353 + ... + 3070724.

It is an arithmetic number, because the mean of its divisors is an integer number (147385872).

Almost surely, 2^1142240322 is an apocalyptic number.

1142240322 is an abundant number, since it is smaller than the sum of its proper divisors (1215933630).

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

1142240322 is a wasteful number, since it uses less digits than its factorization.

1142240322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141113.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1142240322 is about 33797.0460543521. The cubic root of 1142240322 is about 1045.3277886262.

Adding to 1142240322 its reverse (2230422411), we get a palindrome (3372662733).

The spelling of 1142240322 in words is "one billion, one hundred forty-two million, two hundred forty thousand, three hundred twenty-two".