405227 has 2 divisors, whose sum is σ = 405228. Its totient is φ = 405226.

The previous prime is 405221. The next prime is 405239. The reversal of 405227 is 722504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405227 - 2⁴ = 405211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405199 and 405208.

It is not a weakly prime, because it can be changed into another prime (405221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202613 + 202614.

It is an arithmetic number, because the mean of its divisors is an integer number (202614).

2⁴⁰⁵²²⁷ is an apocalyptic number.

405227 is a deficient number, since it is larger than the sum of its proper divisors (1).

405227 is an equidigital number, since it uses as much as digits as its factorization.

405227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 405227 is about 636.5744261278. The cubic root of 405227 is about 74.0001826146. Note that the first 3 decimals are identical.

The spelling of 405227 in words is "four hundred five thousand, two hundred twenty-seven".