32224442281 has 2 divisors, whose sum is σ = 32224442282. Its totient is φ = 32224442280.

The previous prime is 32224442213. The next prime is 32224442291. The reversal of 32224442281 is 18224442223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24331008256 + 7893434025 = 155984^2 + 88845^2 .

It is a cyclic number.

It is not a de Polignac number, because 32224442281 - 2¹³ = 32224434089 is a prime.

It is a super-2 number, since 2×32224442281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32224442291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16112221140 + 16112221141.

It is an arithmetic number, because the mean of its divisors is an integer number (16112221141).

Almost surely, 2^32224442281 is an apocalyptic number.

It is an amenable number.

32224442281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32224442281 is an equidigital number, since it uses as much as digits as its factorization.

32224442281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 34.

The spelling of 32224442281 in words is "thirty-two billion, two hundred twenty-four million, four hundred forty-two thousand, two hundred eighty-one".