336006221 has 4 divisors (see below), whose sum is σ = 336421344. Its totient is φ = 335591100.

The previous prime is 336006191. The next prime is 336006269. The reversal of 336006221 is 122600633.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-336006221 is a prime.

It is a super-2 number, since 2×336006221² = 225800361101401682, which contains 22 as substring.

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 (336008221) 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 3 ways as a sum of consecutive naturals, for example, 206345 + ... + 207966.

It is an arithmetic number, because the mean of its divisors is an integer number (84105336).

Almost surely, 2^336006221 is an apocalyptic number.

It is an amenable number.

336006221 is a deficient number, since it is larger than the sum of its proper divisors (415123).

336006221 is an equidigital number, since it uses as much as digits as its factorization.

336006221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415122.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 336006221 is about 18330.4724707248. The cubic root of 336006221 is about 695.2096194988.

Adding to 336006221 its reverse (122600633), we get a palindrome (458606854).

The spelling of 336006221 in words is "three hundred thirty-six million, six thousand, two hundred twenty-one".