33201223 has 16 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 29274400.

The previous prime is 33201193. The next prime is 33201239. The reversal of 33201223 is 32210233.

It is a cyclic number.

It is not a de Polignac number, because 33201223 - 2⁵ = 33201191 is a prime.

It is a super-2 number, since 2×33201223² = 2204642417391458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33201197 and 33201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33201253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76818 + ... + 77248.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^33201223 is an apocalyptic number.

33201223 is a deficient number, since it is larger than the sum of its proper divisors (4123577).

33201223 is a wasteful number, since it uses less digits than its factorization.

33201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 33201223 is about 5762.0502427521. The cubic root of 33201223 is about 321.4040615197.

Adding to 33201223 its reverse (32210233), we get a palindrome (65411456).

The spelling of 33201223 in words is "thirty-three million, two hundred one thousand, two hundred twenty-three".