33212221233 has 4 divisors (see below), whose sum is σ = 44282961648. Its totient is φ = 22141480820.

The previous prime is 33212221219. The next prime is 33212221243.

33212221233 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33212221233 - 2⁹ = 33212220721 is a prime.

It is a super-2 number, since 2×33212221233² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33212221213) 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, 5535370203 + ... + 5535370208.

It is an arithmetic number, because the mean of its divisors is an integer number (11070740412).

Almost surely, 2^33212221233 is an apocalyptic number.

It is an amenable number.

33212221233 is a deficient number, since it is larger than the sum of its proper divisors (11070740415).

33212221233 is a wasteful number, since it uses less digits than its factorization.

33212221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070740414.

The product of its digits is 2592, while the sum is 24.

The spelling of 33212221233 in words is "thirty-three billion, two hundred twelve million, two hundred twenty-one thousand, two hundred thirty-three".