2144221301 has 4 divisors (see below), whose sum is σ = 2176224672. Its totient is φ = 2112217932.

The previous prime is 2144221297. The next prime is 2144221351. The reversal of 2144221301 is 1031224412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2144221301 - 2² = 2144221297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144221351) 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, 16001585 + ... + 16001718.

It is an arithmetic number, because the mean of its divisors is an integer number (544056168).

Almost surely, 2^2144221301 is an apocalyptic number.

It is an amenable number.

2144221301 is a deficient number, since it is larger than the sum of its proper divisors (32003371).

2144221301 is an equidigital number, since it uses as much as digits as its factorization.

2144221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32003370.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2144221301 is about 46305.7372363296. The cubic root of 2144221301 is about 1289.5055094496.

Adding to 2144221301 its reverse (1031224412), we get a palindrome (3175445713).

The spelling of 2144221301 in words is "two billion, one hundred forty-four million, two hundred twenty-one thousand, three hundred one".