33180222 has 16 divisors (see below), whose sum is σ = 66446352. Its totient is φ = 11045760.

The previous prime is 33180221. The next prime is 33180227. The reversal of 33180222 is 22208133.

It is a super-2 number, since 2×33180222² = 2201854263938568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33180221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (4152897).

Almost surely, 2^33180222 is an apocalyptic number.

33180222 is an abundant number, since it is smaller than the sum of its proper divisors (33266130).

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

33180222 is a wasteful number, since it uses less digits than its factorization.

33180222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 33180222 is about 5760.2275996700. The cubic root of 33180222 is about 321.3362805792.

Adding to 33180222 its reverse (22208133), we get a palindrome (55388355).

The spelling of 33180222 in words is "thirty-three million, one hundred eighty thousand, two hundred twenty-two".