33226432081 has 2 divisors, whose sum is σ = 33226432082. Its totient is φ = 33226432080.

The previous prime is 33226432079. The next prime is 33226432091. The reversal of 33226432081 is 18023462233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26666890000 + 6559542081 = 163300^2 + 80991^2 .

It is a cyclic number.

It is not a de Polignac number, because 33226432081 - 2¹ = 33226432079 is a prime.

It is a super-2 number, since 2×33226432081² (a number of 22 digits) contains 22 as substring.

Together with 33226432079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33226432091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16613216040 + 16613216041.

It is an arithmetic number, because the mean of its divisors is an integer number (16613216041).

Almost surely, 2^33226432081 is an apocalyptic number.

It is an amenable number.

33226432081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33226432081 is an equidigital number, since it uses as much as digits as its factorization.

33226432081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 33226432081 in words is "thirty-three billion, two hundred twenty-six million, four hundred thirty-two thousand, eighty-one".