33220189 has 8 divisors (see below), whose sum is σ = 36097280. Its totient is φ = 30456000.

The previous prime is 33220181. The next prime is 33220199. The reversal of 33220189 is 98102233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33220189 - 2³ = 33220181 is a prime.

It is a super-2 number, since 2×33220189² = 2207161914391442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220181) 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, 27612 + ... + 28789.

It is an arithmetic number, because the mean of its divisors is an integer number (4512160).

Almost surely, 2^33220189 is an apocalyptic number.

It is an amenable number.

33220189 is a deficient number, since it is larger than the sum of its proper divisors (2877091).

33220189 is a wasteful number, since it uses less digits than its factorization.

33220189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56451.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 33220189 is about 5763.6957761492. The cubic root of 33220189 is about 321.4652499191.

The spelling of 33220189 in words is "thirty-three million, two hundred twenty thousand, one hundred eighty-nine".