42227 has 2 divisors, whose sum is σ = 42228. Its totient is φ = 42226.

The previous prime is 42223. The next prime is 42239. The reversal of 42227 is 72224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42227 - 2² = 42223 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42227.

It is not a weakly prime, because it can be changed into another prime (42221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21113 + 21114.

It is an arithmetic number, because the mean of its divisors is an integer number (21114).

2⁴²²²⁷ is an apocalyptic number.

42227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42227 is an equidigital number, since it uses as much as digits as its factorization.

42227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 17.

The square root of 42227 is about 205.4920923053. The cubic root of 42227 is about 34.8227776191.

The spelling of 42227 in words is "forty-two thousand, two hundred twenty-seven", and thus it is an iban number.