33223313 has 8 divisors (see below), whose sum is σ = 34508160. Its totient is φ = 31962640.

The previous prime is 33223297. The next prime is 33223331. The reversal of 33223313 is 31332233.

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 33223313 - 2⁴ = 33223297 is a prime.

It is a super-2 number, since 2×33223313² = 2207577053391938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33223013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3218 + ... + 8763.

It is an arithmetic number, because the mean of its divisors is an integer number (4313520).

Almost surely, 2^33223313 is an apocalyptic number.

It is an amenable number.

33223313 is a deficient number, since it is larger than the sum of its proper divisors (1284847).

33223313 is a wasteful number, since it uses less digits than its factorization.

33223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its digits is 972, while the sum is 20.

The square root of 33223313 is about 5763.9667764483. The cubic root of 33223313 is about 321.4753263815.

Adding to 33223313 its reverse (31332233), we get a palindrome (64555546).

The spelling of 33223313 in words is "thirty-three million, two hundred twenty-three thousand, three hundred thirteen".