1914224401 has 2 divisors, whose sum is σ = 1914224402. Its totient is φ = 1914224400.

The previous prime is 1914224399. The next prime is 1914224419. The reversal of 1914224401 is 1044224191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1693404801 + 220819600 = 41151^2 + 14860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1914224401 - 2¹ = 1914224399 is a prime.

Together with 1914224399, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1914224401.

It is not a weakly prime, because it can be changed into another prime (1914224201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957112200 + 957112201.

It is an arithmetic number, because the mean of its divisors is an integer number (957112201).

Almost surely, 2^1914224401 is an apocalyptic number.

It is an amenable number.

1914224401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914224401 is an equidigital number, since it uses as much as digits as its factorization.

1914224401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1914224401 is about 43751.8502580177. The cubic root of 1914224401 is about 1241.6454916998.

Adding to 1914224401 its reverse (1044224191), we get a palindrome (2958448592).

The spelling of 1914224401 in words is "one billion, nine hundred fourteen million, two hundred twenty-four thousand, four hundred one".