33213022332 has 96 divisors (see below), whose sum is σ = 93934891008. Its totient is φ = 8916286464.

The previous prime is 33213022319. The next prime is 33213022351. The reversal of 33213022332 is 23322031233.

It is a super-2 number, since 2×33213022332² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 847638 + ... + 885954.

It is an arithmetic number, because the mean of its divisors is an integer number (978488448).

Almost surely, 2^33213022332 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 33213022332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46967445504).

33213022332 is an abundant number, since it is smaller than the sum of its proper divisors (60721868676).

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

33213022332 is a wasteful number, since it uses less digits than its factorization.

33213022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38955 (or 38953 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 33213022332 its reverse (23322031233), we get a palindrome (56535053565).

The spelling of 33213022332 in words is "thirty-three billion, two hundred thirteen million, twenty-two thousand, three hundred thirty-two".