422827 has 2 divisors, whose sum is σ = 422828. Its totient is φ = 422826.

The previous prime is 422803. The next prime is 422857. The reversal of 422827 is 728224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422827 - 2¹¹ = 420779 is a prime.

It is an Ulam number.

422827 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (422857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211413 + 211414.

It is an arithmetic number, because the mean of its divisors is an integer number (211414).

2⁴²²⁸²⁷ is an apocalyptic number.

422827 is a deficient number, since it is larger than the sum of its proper divisors (1).

422827 is an equidigital number, since it uses as much as digits as its factorization.

422827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 25.

The square root of 422827 is about 650.2514898099. The cubic root of 422827 is about 75.0563724328.

The spelling of 422827 in words is "four hundred twenty-two thousand, eight hundred twenty-seven".