33676221 has 8 divisors (see below), whose sum is σ = 46450080. Its totient is φ = 21676592.

The previous prime is 33676207. The next prime is 33676229. The reversal of 33676221 is 12267633.

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 33676221 - 2⁶ = 33676157 is a prime.

It is a super-2 number, since 2×33676221² = 2268175721681682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33676229) 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, 193455 + ... + 193628.

It is an arithmetic number, because the mean of its divisors is an integer number (5806260).

Almost surely, 2^33676221 is an apocalyptic number.

It is an amenable number.

33676221 is a deficient number, since it is larger than the sum of its proper divisors (12773859).

33676221 is a wasteful number, since it uses less digits than its factorization.

33676221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387115.

The product of its digits is 9072, while the sum is 30.

The square root of 33676221 is about 5803.1216599344. The cubic root of 33676221 is about 322.9295472036.

The spelling of 33676221 in words is "thirty-three million, six hundred seventy-six thousand, two hundred twenty-one".