33228666612 has 72 divisors (see below), whose sum is σ = 87145554496. Its totient is φ = 11071142208.

The previous prime is 33228666577. The next prime is 33228666613. The reversal of 33228666612 is 21666682233.

It is a happy number.

It is a super-2 number, since 2×33228666612² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33228666613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2537193 + ... + 2550255.

Almost surely, 2^33228666612 is an apocalyptic number.

It is an amenable number.

33228666612 is an abundant number, since it is smaller than the sum of its proper divisors (53916887884).

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

33228666612 is a wasteful number, since it uses less digits than its factorization.

33228666612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15699 (or 15685 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 33228666612 in words is "thirty-three billion, two hundred twenty-eight million, six hundred sixty-six thousand, six hundred twelve".