33022189 has 4 divisors (see below), whose sum is σ = 33061756. Its totient is φ = 32982624.

The previous prime is 33022169. The next prime is 33022193. The reversal of 33022189 is 98122033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13264164 + 19758025 = 3642^2 + 4445^2 .

It is a cyclic number.

It is not a de Polignac number, because 33022189 - 2¹⁵ = 32989421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33022169) 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 3 ways as a sum of consecutive naturals, for example, 18504 + ... + 20209.

It is an arithmetic number, because the mean of its divisors is an integer number (8265439).

Almost surely, 2^33022189 is an apocalyptic number.

It is an amenable number.

33022189 is a deficient number, since it is larger than the sum of its proper divisors (39567).

33022189 is an equidigital number, since it uses as much as digits as its factorization.

33022189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39566.

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

The square root of 33022189 is about 5746.4936265518. The cubic root of 33022189 is about 320.8253077807.

The spelling of 33022189 in words is "thirty-three million, twenty-two thousand, one hundred eighty-nine".