33030223 has 4 divisors (see below), whose sum is σ = 33044760. Its totient is φ = 33015688.

The previous prime is 33030199. The next prime is 33030253. The reversal of 33030223 is 32203033.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 33030223 - 2⁵ = 33030191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33030197 and 33030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3040 + ... + 8677.

It is an arithmetic number, because the mean of its divisors is an integer number (8261190).

Almost surely, 2^33030223 is an apocalyptic number.

33030223 is a deficient number, since it is larger than the sum of its proper divisors (14537).

33030223 is a wasteful number, since it uses less digits than its factorization.

33030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14536.

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 33030223 is about 5747.1926190097. The cubic root of 33030223 is about 320.8513236365.

Adding to 33030223 its reverse (32203033), we get a palindrome (65233256).

The spelling of 33030223 in words is "thirty-three million, thirty thousand, two hundred twenty-three".