33112222 has 16 divisors (see below), whose sum is σ = 58352112. Its totient is φ = 13893120.

The previous prime is 33112217. The next prime is 33112267. The reversal of 33112222 is 22221133.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 33112196 and 33112205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57603 + ... + 58174.

It is an arithmetic number, because the mean of its divisors is an integer number (3647007).

Almost surely, 2^33112222 is an apocalyptic number.

33112222 is a deficient number, since it is larger than the sum of its proper divisors (25239890).

33112222 is a wasteful number, since it uses less digits than its factorization.

33112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115803.

The product of its digits is 144, while the sum is 16.

The square root of 33112222 is about 5754.3220278326. The cubic root of 33112222 is about 321.1166134609.

Adding to 33112222 its reverse (22221133), we get a palindrome (55333355).

The spelling of 33112222 in words is "thirty-three million, one hundred twelve thousand, two hundred twenty-two".