33954221 has 8 divisors (see below), whose sum is σ = 39273024. Its totient is φ = 28752480.

The previous prime is 33954211. The next prime is 33954223. The reversal of 33954221 is 12245933.

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 33954221 - 2¹⁰ = 33953197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33954223) 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 7 ways as a sum of consecutive naturals, for example, 28640 + ... + 29801.

It is an arithmetic number, because the mean of its divisors is an integer number (4909128).

Almost surely, 2^33954221 is an apocalyptic number.

It is an amenable number.

33954221 is a deficient number, since it is larger than the sum of its proper divisors (5318803).

33954221 is an equidigital number, since it uses as much as digits as its factorization.

33954221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58531.

The product of its digits is 6480, while the sum is 29.

The square root of 33954221 is about 5827.0250557210. The cubic root of 33954221 is about 323.8157165980.

The spelling of 33954221 in words is "thirty-three million, nine hundred fifty-four thousand, two hundred twenty-one".