33221112 has 32 divisors (see below), whose sum is σ = 84986880. Its totient is φ = 10815840.

The previous prime is 33221093. The next prime is 33221137. The reversal of 33221112 is 21112233.

It is a super-2 number, since 2×33221112² = 2207284565033088, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 33221091 and 33221100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15064 + ... + 17127.

It is an arithmetic number, because the mean of its divisors is an integer number (2655840).

Almost surely, 2^33221112 is an apocalyptic number.

It is an amenable number.

33221112 is an abundant number, since it is smaller than the sum of its proper divisors (51765768).

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

33221112 is a wasteful number, since it uses less digits than its factorization.

33221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32243 (or 32239 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 33221112 is about 5763.7758457456. The cubic root of 33221112 is about 321.4682271215.

Adding to 33221112 its reverse (21112233), we get a palindrome (54333345).

It can be divided in two parts, 33221 and 112, that added together give a palindrome (33333).

The spelling of 33221112 in words is "thirty-three million, two hundred twenty-one thousand, one hundred twelve".