32241220421 has 2 divisors, whose sum is σ = 32241220422. Its totient is φ = 32241220420.

The previous prime is 32241220399. The next prime is 32241220483. The reversal of 32241220421 is 12402214223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27875975521 + 4365244900 = 166961^2 + 66070^2 .

It is a cyclic number.

It is not a de Polignac number, because 32241220421 - 2¹⁰ = 32241219397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32241220721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16120610210 + 16120610211.

It is an arithmetic number, because the mean of its divisors is an integer number (16120610211).

Almost surely, 2^32241220421 is an apocalyptic number.

It is an amenable number.

32241220421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32241220421 is an equidigital number, since it uses as much as digits as its factorization.

32241220421 is an evil number, because the sum of its binary digits is even.

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

Adding to 32241220421 its reverse (12402214223), we get a palindrome (44643434644).

The spelling of 32241220421 in words is "thirty-two billion, two hundred forty-one million, two hundred twenty thousand, four hundred twenty-one".