33223221301331 has 4 divisors (see below), whose sum is σ = 33230330918952. Its totient is φ = 33216111683712.

The previous prime is 33223221301289. The next prime is 33223221301339. The reversal of 33223221301331 is 13310312232233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33223221301331 - 2⁶ = 33223221301267 is a prime.

It is a super-2 number, since 2×33223221301331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33223221301294 and 33223221301303.

It is not an unprimeable number, because it can be changed into a prime (33223221301339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554801801 + ... + 3554811146.

It is an arithmetic number, because the mean of its divisors is an integer number (8307582729738).

Almost surely, 2^{33223221301331} is an apocalyptic number.

33223221301331 is a deficient number, since it is larger than the sum of its proper divisors (7109617621).

33223221301331 is an equidigital number, since it uses as much as digits as its factorization.

33223221301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109617620.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 33223221301331 its reverse (13310312232233), we get a palindrome (46533533533564).

The spelling of 33223221301331 in words is "thirty-three trillion, two hundred twenty-three billion, two hundred twenty-one million, three hundred one thousand, three hundred thirty-one".