33223333332281 has 2 divisors, whose sum is σ = 33223333332282. Its totient is φ = 33223333332280.

The previous prime is 33223333332209. The next prime is 33223333332283. The reversal of 33223333332281 is 18223333332233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33122511206656 + 100822125625 = 5755216^2 + 317525^2 .

It is a cyclic number.

It is not a de Polignac number, because 33223333332281 - 2³⁸ = 32948455425337 is a prime.

It is a super-2 number, since 2×33223333332281² (a number of 28 digits) contains 22 as substring.

Together with 33223333332283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33223333332283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611666666140 + 16611666666141.

It is an arithmetic number, because the mean of its divisors is an integer number (16611666666141).

Almost surely, 2^{33223333332281} is an apocalyptic number.

It is an amenable number.

33223333332281 is a deficient number, since it is larger than the sum of its proper divisors (1).

33223333332281 is an equidigital number, since it uses as much as digits as its factorization.

33223333332281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 41.

The spelling of 33223333332281 in words is "thirty-three trillion, two hundred twenty-three billion, three hundred thirty-three million, three hundred thirty-two thousand, two hundred eighty-one".