2143722296 has 32 divisors (see below), whose sum is σ = 4054782240. Its totient is φ = 1062471168.

The previous prime is 2143722277. The next prime is 2143722299. The reversal of 2143722296 is 6922273412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143722299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201421 + ... + 1203203.

It is an arithmetic number, because the mean of its divisors is an integer number (126711945).

Almost surely, 2^2143722296 is an apocalyptic number.

It is an amenable number.

2143722296 is a deficient number, since it is larger than the sum of its proper divisors (1911059944).

2143722296 is a wasteful number, since it uses less digits than its factorization.

2143722296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023 (or 3019 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 2143722296 is about 46300.3487675849. The cubic root of 2143722296 is about 1289.4054700834.

The spelling of 2143722296 in words is "two billion, one hundred forty-three million, seven hundred twenty-two thousand, two hundred ninety-six".