33221012208 has 20 divisors (see below), whose sum is σ = 85820948328. Its totient is φ = 11073670720.

The previous prime is 33221012183. The next prime is 33221012243. The reversal of 33221012208 is 80221012233.

It is a happy number.

It is a super-2 number, since 2×33221012208² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346052163 + ... + 346052258.

Almost surely, 2^33221012208 is an apocalyptic number.

It is an amenable number.

33221012208 is an abundant number, since it is smaller than the sum of its proper divisors (52599936120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33221012208 is a wasteful number, since it uses less digits than its factorization.

33221012208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692104432 (or 692104426 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 33221012208 in words is "thirty-three billion, two hundred twenty-one million, twelve thousand, two hundred eight".