33322212 has 96 divisors (see below), whose sum is σ = 107735040. Its totient is φ = 8652960.

The previous prime is 33322207. The next prime is 33322271. The reversal of 33322212 is 21222333.

It is a happy number.

It is a super-2 number, since 2×33322212² = 2220739625145888, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6313 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (1122240).

Almost surely, 2^33322212 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 33322212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53867520).

33322212 is an abundant number, since it is smaller than the sum of its proper divisors (74412828).

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

33322212 is a wasteful number, since it uses less digits than its factorization.

33322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4030 counting only the distinct ones).

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

The square root of 33322212 is about 5772.5394758286. The cubic root of 33322212 is about 321.7939991230.

Adding to 33322212 its reverse (21222333), we get a palindrome (54544545).

The spelling of 33322212 in words is "thirty-three million, three hundred twenty-two thousand, two hundred twelve".