1424055221 has 2 divisors, whose sum is σ = 1424055222. Its totient is φ = 1424055220.

The previous prime is 1424055203. The next prime is 1424055253. The reversal of 1424055221 is 1225504241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004256100 + 419799121 = 31690^2 + 20489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424055221 - 2¹⁰ = 1424054197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424055271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712027610 + 712027611.

It is an arithmetic number, because the mean of its divisors is an integer number (712027611).

Almost surely, 2^1424055221 is an apocalyptic number.

It is an amenable number.

1424055221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424055221 is an equidigital number, since it uses as much as digits as its factorization.

1424055221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1424055221 is about 37736.6561979198. The cubic root of 1424055221 is about 1125.0598081126.

Adding to 1424055221 its reverse (1225504241), we get a palindrome (2649559462).

The spelling of 1424055221 in words is "one billion, four hundred twenty-four million, fifty-five thousand, two hundred twenty-one".