345227 has 2 divisors, whose sum is σ = 345228. Its totient is φ = 345226.

The previous prime is 345221. The next prime is 345229. The reversal of 345227 is 722543.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345227 is a prime.

Together with 345229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172613 + 172614.

It is an arithmetic number, because the mean of its divisors is an integer number (172614).

2³⁴⁵²²⁷ is an apocalyptic number.

345227 is a deficient number, since it is larger than the sum of its proper divisors (1).

345227 is an equidigital number, since it uses as much as digits as its factorization.

345227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 23.

The square root of 345227 is about 587.5602096807. The cubic root of 345227 is about 70.1511699016.

The spelling of 345227 in words is "three hundred forty-five thousand, two hundred twenty-seven".