2143322297 has 4 divisors (see below), whose sum is σ = 2167404660. Its totient is φ = 2119239936.

The previous prime is 2143322257. The next prime is 2143322317. The reversal of 2143322297 is 7922233412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 765130921 + 1378191376 = 27661^2 + 37124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143322297 - 2¹⁶ = 2143256761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143322257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12041048 + ... + 12041225.

It is an arithmetic number, because the mean of its divisors is an integer number (541851165).

Almost surely, 2^2143322297 is an apocalyptic number.

It is an amenable number.

2143322297 is a deficient number, since it is larger than the sum of its proper divisors (24082363).

2143322297 is an equidigital number, since it uses as much as digits as its factorization.

2143322297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24082362.

The product of its digits is 36288, while the sum is 35.

The square root of 2143322297 is about 46296.0289549763. The cubic root of 2143322297 is about 1289.3252680004.

The spelling of 2143322297 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, two hundred ninety-seven".