343222231 has 8 divisors (see below), whose sum is σ = 396449424. Its totient is φ = 293665920.

The previous prime is 343222207. The next prime is 343222273. The reversal of 343222231 is 132222343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343222231 - 2¹¹ = 343220183 is a prime.

It is a super-2 number, since 2×343222231² = 235602999705234722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343222331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917520 + ... + 917893.

It is an arithmetic number, because the mean of its divisors is an integer number (49556178).

Almost surely, 2^343222231 is an apocalyptic number.

343222231 is a deficient number, since it is larger than the sum of its proper divisors (53227193).

343222231 is a wasteful number, since it uses less digits than its factorization.

343222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835441.

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

The square root of 343222231 is about 18526.2578790213. The cubic root of 343222231 is about 700.1511449133.

Adding to 343222231 its reverse (132222343), we get a palindrome (475444574).

It can be divided in two parts, 3 and 43222231, that added together give a palindrome (43222234).

The spelling of 343222231 in words is "three hundred forty-three million, two hundred twenty-two thousand, two hundred thirty-one".