2144422237 has 2 divisors, whose sum is σ = 2144422238. Its totient is φ = 2144422236.

The previous prime is 2144422223. The next prime is 2144422271. The reversal of 2144422237 is 7322244412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2132684761 + 11737476 = 46181^2 + 3426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144422237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144422199 and 2144422208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144422037) 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 as a sum of consecutive naturals, namely, 1072211118 + 1072211119.

It is an arithmetic number, because the mean of its divisors is an integer number (1072211119).

Almost surely, 2^2144422237 is an apocalyptic number.

It is an amenable number.

2144422237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144422237 is an equidigital number, since it uses as much as digits as its factorization.

2144422237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 31.

The square root of 2144422237 is about 46307.9068518541. The cubic root of 2144422237 is about 1289.5457882500.

Adding to 2144422237 its reverse (7322244412), we get a palindrome (9466666649).

It can be divided in two parts, 21444 and 22237, that added together give a square (43681 = 209²).

The spelling of 2144422237 in words is "two billion, one hundred forty-four million, four hundred twenty-two thousand, two hundred thirty-seven".