33064221 has 4 divisors (see below), whose sum is σ = 44085632. Its totient is φ = 22042812.

The previous prime is 33064211. The next prime is 33064247. The reversal of 33064221 is 12246033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33064221 - 2⁵ = 33064189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33064211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510701 + ... + 5510706.

It is an arithmetic number, because the mean of its divisors is an integer number (11021408).

Almost surely, 2^33064221 is an apocalyptic number.

It is an amenable number.

33064221 is a deficient number, since it is larger than the sum of its proper divisors (11021411).

33064221 is a wasteful number, since it uses less digits than its factorization.

33064221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021410.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 33064221 is about 5750.1496502265. The cubic root of 33064221 is about 320.9613699498.

The spelling of 33064221 in words is "thirty-three million, sixty-four thousand, two hundred twenty-one".