33223133309 has 4 divisors (see below), whose sum is σ = 33415174716. Its totient is φ = 33031091904.

The previous prime is 33223133267. The next prime is 33223133327. The reversal of 33223133309 is 90333132233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90333132233 = 157 ⋅575370269.

It can be written as a sum of positive squares in 2 ways, for example, as 20049144025 + 13173989284 = 141595^2 + 114778^2 .

It is a cyclic number.

It is not a de Polignac number, because 33223133309 - 2²⁰ = 33222084733 is a prime.

It is a super-2 number, since 2×33223133309² (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 (33223133389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96020444 + ... + 96020789.

It is an arithmetic number, because the mean of its divisors is an integer number (8353793679).

Almost surely, 2^33223133309 is an apocalyptic number.

It is an amenable number.

33223133309 is a deficient number, since it is larger than the sum of its proper divisors (192041407).

33223133309 is a wasteful number, since it uses less digits than its factorization.

33223133309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192041406.

The product of its (nonzero) digits is 26244, while the sum is 32.

The spelling of 33223133309 in words is "thirty-three billion, two hundred twenty-three million, one hundred thirty-three thousand, three hundred nine".