33221032223 has 4 divisors (see below), whose sum is σ = 33229794528. Its totient is φ = 33212269920.

The previous prime is 33221032217. The next prime is 33221032241. The reversal of 33221032223 is 32223012233.

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 33221032223 - 2¹⁰ = 33221031199 is a prime.

It is a super-2 number, since 2×33221032223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221032423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375463 + ... + 4383048.

It is an arithmetic number, because the mean of its divisors is an integer number (8307448632).

Almost surely, 2^33221032223 is an apocalyptic number.

33221032223 is a deficient number, since it is larger than the sum of its proper divisors (8762305).

33221032223 is an equidigital number, since it uses as much as digits as its factorization.

33221032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762304.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33221032223 its reverse (32223012233), we get a palindrome (65444044456).

The spelling of 33221032223 in words is "thirty-three billion, two hundred twenty-one million, thirty-two thousand, two hundred twenty-three".