32221505534081 has 2 divisors, whose sum is σ = 32221505534082. Its totient is φ = 32221505534080.

The previous prime is 32221505533999. The next prime is 32221505534087. The reversal of 32221505534081 is 18043550512223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25434521860225 + 6786983673856 = 5043265^2 + 2605184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32221505534081 is a prime.

It is a super-2 number, since 2×32221505534081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32221505534087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110752767040 + 16110752767041.

It is an arithmetic number, because the mean of its divisors is an integer number (16110752767041).

Almost surely, 2^{32221505534081} is an apocalyptic number.

It is an amenable number.

32221505534081 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221505534081 is an equidigital number, since it uses as much as digits as its factorization.

32221505534081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 32221505534081 in words is "thirty-two trillion, two hundred twenty-one billion, five hundred five million, five hundred thirty-four thousand, eighty-one".