2322143666 has 4 divisors (see below), whose sum is σ = 3483215502. Its totient is φ = 1161071832.

The previous prime is 2322143657. The next prime is 2322143683. The reversal of 2322143666 is 6663412232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1476788041 + 845355625 = 38429^2 + 29075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580535915 + ... + 580535918.

Almost surely, 2^2322143666 is an apocalyptic number.

2322143666 is a deficient number, since it is larger than the sum of its proper divisors (1161071836).

2322143666 is a wasteful number, since it uses less digits than its factorization.

2322143666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161071835.

The product of its digits is 62208, while the sum is 35.

The square root of 2322143666 is about 48188.6258986496. The cubic root of 2322143666 is about 1324.2287983519.

Adding to 2322143666 its reverse (6663412232), we get a palindrome (8985555898).

The spelling of 2322143666 in words is "two billion, three hundred twenty-two million, one hundred forty-three thousand, six hundred sixty-six".