2144964223 has 4 divisors (see below), whose sum is σ = 2151329440. Its totient is φ = 2138599008.

The previous prime is 2144964193. The next prime is 2144964229. The reversal of 2144964223 is 3224694412.

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

It is a cyclic number.

It is not a de Polignac number, because 2144964223 - 2²¹ = 2142867071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144964229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182103 + ... + 3182776.

It is an arithmetic number, because the mean of its divisors is an integer number (537832360).

Almost surely, 2^2144964223 is an apocalyptic number.

2144964223 is a deficient number, since it is larger than the sum of its proper divisors (6365217).

2144964223 is an equidigital number, since it uses as much as digits as its factorization.

2144964223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365216.

The product of its digits is 82944, while the sum is 37.

The square root of 2144964223 is about 46313.7584633335. The cubic root of 2144964223 is about 1289.6544199796.

The spelling of 2144964223 in words is "two billion, one hundred forty-four million, nine hundred sixty-four thousand, two hundred twenty-three".