33222000312 has 80 divisors (see below), whose sum is σ = 94173627240. Its totient is φ = 10940560704.

The previous prime is 33222000307. The next prime is 33222000319. The reversal of 33222000312 is 21300022233.

It is a happy number.

33222000312 is a `hidden beast` number, since 332 + 2 + 20 + 0 + 0 + 312 = 666.

It is a super-2 number, since 2×33222000312² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222000319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 255063 + ... + 362630.

Almost surely, 2^33222000312 is an apocalyptic number.

It is an amenable number.

33222000312 is an abundant number, since it is smaller than the sum of its proper divisors (60951626928).

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

33222000312 is a wasteful number, since it uses less digits than its factorization.

33222000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617794 (or 617781 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33222000312 its reverse (21300022233), we get a palindrome (54522022545).

The spelling of 33222000312 in words is "thirty-three billion, two hundred twenty-two million, three hundred twelve", and thus it is an aban number.