33228169 has 16 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 27789696.

The previous prime is 33228127. The next prime is 33228179. The reversal of 33228169 is 96182233.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33228169 is a prime.

It is a super-2 number, since 2×33228169² = 2208222430185122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33228119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 8605.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^33228169 is an apocalyptic number.

It is an amenable number.

33228169 is a deficient number, since it is larger than the sum of its proper divisors (6083831).

33228169 is a wasteful number, since it uses less digits than its factorization.

33228169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

The product of its digits is 15552, while the sum is 34.

The square root of 33228169 is about 5764.3879987385. The cubic root of 33228169 is about 321.4909881563.

The spelling of 33228169 in words is "thirty-three million, two hundred twenty-eight thousand, one hundred sixty-nine".