1144320322 has 4 divisors (see below), whose sum is σ = 1716480486. Its totient is φ = 572160160.

The previous prime is 1144320299. The next prime is 1144320323. The reversal of 1144320322 is 2230234411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2230234411 = 367 ⋅6076933.

It can be written as a sum of positive squares in only one way, i.e., 670343881 + 473976441 = 25891^2 + 21771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144320293 and 1144320302.

It is not an unprimeable number, because it can be changed into a prime (1144320323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286080079 + ... + 286080082.

Almost surely, 2^1144320322 is an apocalyptic number.

1144320322 is a deficient number, since it is larger than the sum of its proper divisors (572160164).

1144320322 is an equidigital number, since it uses as much as digits as its factorization.

1144320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572160163.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1144320322 is about 33827.8039783844. The cubic root of 1144320322 is about 1045.9619118533.

Adding to 1144320322 its reverse (2230234411), we get a palindrome (3374554733).

The spelling of 1144320322 in words is "one billion, one hundred forty-four million, three hundred twenty thousand, three hundred twenty-two".