2132424221 has 2 divisors, whose sum is σ = 2132424222. Its totient is φ = 2132424220.

The previous prime is 2132424199. The next prime is 2132424233. The reversal of 2132424221 is 1224242312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1324159321 + 808264900 = 36389^2 + 28430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132424221 - 2¹⁰ = 2132423197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132424421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066212110 + 1066212111.

It is an arithmetic number, because the mean of its divisors is an integer number (1066212111).

Almost surely, 2^2132424221 is an apocalyptic number.

It is an amenable number.

2132424221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132424221 is an equidigital number, since it uses as much as digits as its factorization.

2132424221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 23.

The square root of 2132424221 is about 46178.1790567796. The cubic root of 2132424221 is about 1287.1362913453.

Adding to 2132424221 its reverse (1224242312), we get a palindrome (3356666533).

The spelling of 2132424221 in words is "two billion, one hundred thirty-two million, four hundred twenty-four thousand, two hundred twenty-one".