33003222 has 48 divisors (see below), whose sum is σ = 80163840. Its totient is φ = 8871552.

The previous prime is 33003221. The next prime is 33003233. The reversal of 33003222 is 22230033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33003221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10779 + ... + 13497.

It is an arithmetic number, because the mean of its divisors is an integer number (1670080).

Almost surely, 2^33003222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33003222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40081920).

33003222 is an abundant number, since it is smaller than the sum of its proper divisors (47160618).

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

33003222 is a wasteful number, since it uses less digits than its factorization.

33003222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 33003222 is about 5744.8430787968. The cubic root of 33003222 is about 320.7638717261.

Adding to 33003222 its reverse (22230033), we get a palindrome (55233255).

The spelling of 33003222 in words is "thirty-three million, three thousand, two hundred twenty-two".