33201223000 has 256 divisors, whose sum is σ = 87340032000. Its totient is φ = 11709760000.

The previous prime is 33201222979. The next prime is 33201223001. The reversal of 33201223000 is 32210233.

It is a super-2 number, since 2×33201223000² (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 (33201223001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77032785 + ... + 77033215.

It is an arithmetic number, because the mean of its divisors is an integer number (341172000).

Almost surely, 2^33201223000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33201223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43670016000).

33201223000 is an abundant number, since it is smaller than the sum of its proper divisors (54138809000).

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

33201223000 is a wasteful number, since it uses less digits than its factorization.

33201223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33201223000 its reverse (32210233), we get a palindrome (33233433233).

The spelling of 33201223000 in words is "thirty-three billion, two hundred one million, two hundred twenty-three thousand".