1142331322 has 16 divisors (see below), whose sum is σ = 1870974432. Its totient is φ = 518767920.

The previous prime is 1142331277. The next prime is 1142331347. The reversal of 1142331322 is 2231332411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1142331293 and 1142331302.

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, 1588 + ... + 47824.

It is an arithmetic number, because the mean of its divisors is an integer number (116935902).

Almost surely, 2^1142331322 is an apocalyptic number.

1142331322 is a deficient number, since it is larger than the sum of its proper divisors (728643110).

1142331322 is a wasteful number, since it uses less digits than its factorization.

1142331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47373.

The product of its digits is 864, while the sum is 22.

The square root of 1142331322 is about 33798.3922990429. The cubic root of 1142331322 is about 1045.3555476132.

Adding to 1142331322 its reverse (2231332411), we get a palindrome (3373663733).

The spelling of 1142331322 in words is "one billion, one hundred forty-two million, three hundred thirty-one thousand, three hundred twenty-two".