2144223807 has 16 divisors (see below), whose sum is σ = 3120882048. Its totient is φ = 1298691680.

The previous prime is 2144223799. The next prime is 2144223811. The reversal of 2144223807 is 7083224412.

It is a happy number.

It is not a de Polignac number, because 2144223807 - 2³ = 2144223799 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144223857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33088 + ... + 73370.

It is an arithmetic number, because the mean of its divisors is an integer number (195055128).

Almost surely, 2^2144223807 is an apocalyptic number.

2144223807 is a deficient number, since it is larger than the sum of its proper divisors (976658241).

2144223807 is a wasteful number, since it uses less digits than its factorization.

2144223807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41910.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2144223807 is about 46305.7642956036. The cubic root of 2144223807 is about 1289.5060118075.

The spelling of 2144223807 in words is "two billion, one hundred forty-four million, two hundred twenty-three thousand, eight hundred seven".