334221340 has 24 divisors (see below), whose sum is σ = 718985232. Its totient is φ = 130427520.

The previous prime is 334221331. The next prime is 334221367. The reversal of 334221340 is 43122433.

It is a happy number.

It is a super-2 number, since 2×334221340² = 223407808222791200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202974 + ... + 204613.

It is an arithmetic number, because the mean of its divisors is an integer number (29957718).

Almost surely, 2^334221340 is an apocalyptic number.

It is an amenable number.

334221340 is an abundant number, since it is smaller than the sum of its proper divisors (384763892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

334221340 is a wasteful number, since it uses less digits than its factorization.

334221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407637 (or 407635 counting only the distinct ones).

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

The square root of 334221340 is about 18281.7214725529. The cubic root of 334221340 is about 693.9764378384.

Adding to 334221340 its reverse (43122433), we get a palindrome (377343773).

The spelling of 334221340 in words is "three hundred thirty-four million, two hundred twenty-one thousand, three hundred forty".