33122213000 has 64 divisors (see below), whose sum is σ = 77595822720. Its totient is φ = 13233528000.

The previous prime is 33122212997. The next prime is 33122213009. The reversal of 33122213000 is 31222133.

It is a self number, because there is not a number n which added to its sum of digits gives 33122213000.

It is not an unprimeable number, because it can be changed into a prime (33122213009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864245 + ... + 901755.

It is an arithmetic number, because the mean of its divisors is an integer number (1212434730).

Almost surely, 2^33122213000 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 33122213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38797911360).

33122213000 is an abundant number, since it is smaller than the sum of its proper divisors (44473609720).

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

33122213000 is a wasteful number, since it uses less digits than its factorization.

33122213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38415 (or 38401 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33122213000 its reverse (31222133), we get a palindrome (33153435133).

The spelling of 33122213000 in words is "thirty-three billion, one hundred twenty-two million, two hundred thirteen thousand".