346031227 has 2 divisors, whose sum is σ = 346031228. Its totient is φ = 346031226.

The previous prime is 346031221. The next prime is 346031261. The reversal of 346031227 is 722130643.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346031227 is a prime.

It is a super-2 number, since 2×346031227² = 239475220118251058, 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 = 346031195 and 346031204.

It is not a weakly prime, because it can be changed into another prime (346031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173015613 + 173015614.

It is an arithmetic number, because the mean of its divisors is an integer number (173015614).

Almost surely, 2^346031227 is an apocalyptic number.

346031227 is a deficient number, since it is larger than the sum of its proper divisors (1).

346031227 is an equidigital number, since it uses as much as digits as its factorization.

346031227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 346031227 is about 18601.9146057603. The cubic root of 346031227 is about 702.0560144209.

The spelling of 346031227 in words is "three hundred forty-six million, thirty-one thousand, two hundred twenty-seven".