334304221 has 16 divisors (see below), whose sum is σ = 358067200. Its totient is φ = 311199408.

The previous prime is 334304209. The next prime is 334304227. The reversal of 334304221 is 122403433.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 334304221 - 2²¹ = 332207069 is a prime.

It is a super-2 number, since 2×334304221² = 223518624356833682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 334304192 and 334304201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334304227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424390 + ... + 425176.

It is an arithmetic number, because the mean of its divisors is an integer number (22379200).

Almost surely, 2^334304221 is an apocalyptic number.

It is an amenable number.

334304221 is a deficient number, since it is larger than the sum of its proper divisors (23762979).

334304221 is a wasteful number, since it uses less digits than its factorization.

334304221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 334304221 is about 18283.9881043497. The cubic root of 334304221 is about 694.0337977378.

Adding to 334304221 its reverse (122403433), we get a palindrome (456707654).

The spelling of 334304221 in words is "three hundred thirty-four million, three hundred four thousand, two hundred twenty-one".