33152218 has 16 divisors (see below), whose sum is σ = 55170720. Its totient is φ = 14813200.

The previous prime is 33152213. The next prime is 33152221. The reversal of 33152218 is 81225133.

It is a junction number, because it is equal to n+sod(n) for n = 33152192 and 33152201.

It is not an unprimeable number, because it can be changed into a prime (33152213) 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 7 ways as a sum of consecutive naturals, for example, 11473 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (3448170).

Almost surely, 2^33152218 is an apocalyptic number.

33152218 is a deficient number, since it is larger than the sum of its proper divisors (22018502).

33152218 is a wasteful number, since it uses less digits than its factorization.

33152218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25613.

The product of its digits is 1440, while the sum is 25.

The square root of 33152218 is about 5757.7962798279. The cubic root of 33152218 is about 321.2458528738.

It can be divided in two parts, 33 and 152218, that added together give a palindrome (152251).

The spelling of 33152218 in words is "thirty-three million, one hundred fifty-two thousand, two hundred eighteen".