532235420221 has 2 divisors, whose sum is σ = 532235420222. Its totient is φ = 532235420220.

The previous prime is 532235420209. The next prime is 532235420239. The reversal of 532235420221 is 122024532235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428461884900 + 103773535321 = 654570^2 + 322139^2 .

It is a cyclic number.

It is not a de Polignac number, because 532235420221 - 2²⁹ = 531698549309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532235420261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266117710110 + 266117710111.

It is an arithmetic number, because the mean of its divisors is an integer number (266117710111).

Almost surely, 2^532235420221 is an apocalyptic number.

It is an amenable number.

532235420221 is a deficient number, since it is larger than the sum of its proper divisors (1).

532235420221 is an equidigital number, since it uses as much as digits as its factorization.

532235420221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 532235420221 its reverse (122024532235), we get a palindrome (654259952456).

The spelling of 532235420221 in words is "five hundred thirty-two billion, two hundred thirty-five million, four hundred twenty thousand, two hundred twenty-one".