2144022401 has 2 divisors, whose sum is σ = 2144022402. Its totient is φ = 2144022400.

The previous prime is 2144022383. The next prime is 2144022437. The reversal of 2144022401 is 1042204412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2043040000 + 100982401 = 45200^2 + 10049^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144022401 - 2¹⁰ = 2144021377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144022481) 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, 1072011200 + 1072011201.

It is an arithmetic number, because the mean of its divisors is an integer number (1072011201).

Almost surely, 2^2144022401 is an apocalyptic number.

It is an amenable number.

2144022401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144022401 is an equidigital number, since it uses as much as digits as its factorization.

2144022401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2144022401 is about 46303.5895044866. The cubic root of 2144022401 is about 1289.4656362989.

Adding to 2144022401 its reverse (1042204412), we get a palindrome (3186226813).

The spelling of 2144022401 in words is "two billion, one hundred forty-four million, twenty-two thousand, four hundred one".