343222331 has 2 divisors, whose sum is σ = 343222332. Its totient is φ = 343222330.

The previous prime is 343222301. The next prime is 343222339. The reversal of 343222331 is 133222343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343222331 - 2¹⁸ = 342960187 is a prime.

It is a super-2 number, since 2×343222331² = 235603136994147122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 343222297 and 343222306.

It is not a weakly prime, because it can be changed into another prime (343222339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171611165 + 171611166.

It is an arithmetic number, because the mean of its divisors is an integer number (171611166).

Almost surely, 2^343222331 is an apocalyptic number.

343222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

343222331 is an equidigital number, since it uses as much as digits as its factorization.

343222331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 23.

The square root of 343222331 is about 18526.2605778932. The cubic root of 343222331 is about 700.1512129111.

Adding to 343222331 its reverse (133222343), we get a palindrome (476444674).

The spelling of 343222331 in words is "three hundred forty-three million, two hundred twenty-two thousand, three hundred thirty-one".