33222200213 has 4 divisors (see below), whose sum is σ = 33766826508. Its totient is φ = 32677573920.

The previous prime is 33222200203. The next prime is 33222200237. The reversal of 33222200213 is 31200222233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31200222233 = 61 ⋅511479053.

It can be written as a sum of positive squares in 2 ways, for example, as 2333083204 + 30889117009 = 48302^2 + 175753^2 .

It is a cyclic number.

It is not a de Polignac number, because 33222200213 - 2⁶ = 33222200149 is a prime.

It is a super-2 number, since 2×33222200213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222200203) 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, 272313056 + ... + 272313177.

It is an arithmetic number, because the mean of its divisors is an integer number (8441706627).

Almost surely, 2^33222200213 is an apocalyptic number.

It is an amenable number.

33222200213 is a deficient number, since it is larger than the sum of its proper divisors (544626295).

33222200213 is an equidigital number, since it uses as much as digits as its factorization.

33222200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544626294.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33222200213 its reverse (31200222233), we get a palindrome (64422422446).

The spelling of 33222200213 in words is "thirty-three billion, two hundred twenty-two million, two hundred thousand, two hundred thirteen".