33132222 has 12 divisors (see below), whose sum is σ = 71786520. Its totient is φ = 11044068.

The previous prime is 33132163. The next prime is 33132241. The reversal of 33132222 is 22223133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1840679 = 33132222 / (3 + 3 + 1 + 3 + 2 + 2 + 2 + 2).

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 = 33132195 and 33132204.

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 5 ways as a sum of consecutive naturals, for example, 920322 + ... + 920357.

It is an arithmetic number, because the mean of its divisors is an integer number (5982210).

Almost surely, 2^33132222 is an apocalyptic number.

33132222 is an abundant number, since it is smaller than the sum of its proper divisors (38654298).

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

33132222 is a wasteful number, since it uses less digits than its factorization.

33132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840687 (or 1840684 counting only the distinct ones).

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

The square root of 33132222 is about 5756.0595896846. The cubic root of 33132222 is about 321.1812526311.

Adding to 33132222 its reverse (22223133), we get a palindrome (55355355).

The spelling of 33132222 in words is "thirty-three million, one hundred thirty-two thousand, two hundred twenty-two".