334004221 has 2 divisors, whose sum is σ = 334004222. Its totient is φ = 334004220.

The previous prime is 334004191. The next prime is 334004257. The reversal of 334004221 is 122400433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233784100 + 100220121 = 15290^2 + 10011^2 .

It is a cyclic number.

It is not a de Polignac number, because 334004221 - 2⁵ = 334004189 is a prime.

It is a super-2 number, since 2×334004221² = 223117639291633682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334004621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167002110 + 167002111.

It is an arithmetic number, because the mean of its divisors is an integer number (167002111).

Almost surely, 2^334004221 is an apocalyptic number.

It is an amenable number.

334004221 is a deficient number, since it is larger than the sum of its proper divisors (1).

334004221 is an equidigital number, since it uses as much as digits as its factorization.

334004221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 334004221 is about 18275.7823635542. The cubic root of 334004221 is about 693.8261301515.

Adding to 334004221 its reverse (122400433), we get a palindrome (456404654).

The spelling of 334004221 in words is "three hundred thirty-four million, four thousand, two hundred twenty-one".