1143213322 has 8 divisors (see below), whose sum is σ = 1742931972. Its totient is φ = 562236000.

The previous prime is 1143213317. The next prime is 1143213343. The reversal of 1143213322 is 2233123411.

It can be written as a sum of positive squares in 2 ways, for example, as 682724641 + 460488681 = 26129^2 + 21459^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1143213293 and 1143213302.

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, 4685179 + ... + 4685422.

Almost surely, 2^1143213322 is an apocalyptic number.

1143213322 is a deficient number, since it is larger than the sum of its proper divisors (599718650).

1143213322 is an equidigital number, since it uses as much as digits as its factorization.

1143213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370664.

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

The square root of 1143213322 is about 33811.4377393213. The cubic root of 1143213322 is about 1045.6245198989.

Adding to 1143213322 its reverse (2233123411), we get a palindrome (3376336733).

The spelling of 1143213322 in words is "one billion, one hundred forty-three million, two hundred thirteen thousand, three hundred twenty-two".