33221235 has 8 divisors (see below), whose sum is σ = 53154000. Its totient is φ = 17717984.

The previous prime is 33221197. The next prime is 33221249. The reversal of 33221235 is 53212233.

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 33221235 - 2⁶ = 33221171 is a prime.

It is a super-2 number, since 2×33221235² = 2207300909850450, which contains 22 as substring.

It is an unprimeable number.

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, 1107360 + ... + 1107389.

It is an arithmetic number, because the mean of its divisors is an integer number (6644250).

Almost surely, 2^33221235 is an apocalyptic number.

33221235 is a deficient number, since it is larger than the sum of its proper divisors (19932765).

33221235 is a wasteful number, since it uses less digits than its factorization.

33221235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214757.

The product of its digits is 1080, while the sum is 21.

The square root of 33221235 is about 5763.7865158245. The cubic root of 33221235 is about 321.4686238626.

Adding to 33221235 its reverse (53212233), we get a palindrome (86433468).

The spelling of 33221235 in words is "thirty-three million, two hundred twenty-one thousand, two hundred thirty-five".