2432432221 has 2 divisors, whose sum is σ = 2432432222. Its totient is φ = 2432432220.

The previous prime is 2432432209. The next prime is 2432432251. The reversal of 2432432221 is 1222342342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1936880100 + 495552121 = 44010^2 + 22261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2432432221 - 2¹¹ = 2432430173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2432432251) 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, 1216216110 + 1216216111.

It is an arithmetic number, because the mean of its divisors is an integer number (1216216111).

Almost surely, 2^2432432221 is an apocalyptic number.

It is an amenable number.

2432432221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2432432221 is an equidigital number, since it uses as much as digits as its factorization.

2432432221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 25.

The square root of 2432432221 is about 49319.6940481183. The cubic root of 2432432221 is about 1344.8698244683.

Adding to 2432432221 its reverse (1222342342), we get a palindrome (3654774563).

The spelling of 2432432221 in words is "two billion, four hundred thirty-two million, four hundred thirty-two thousand, two hundred twenty-one".