422627 has 2 divisors, whose sum is σ = 422628. Its totient is φ = 422626.

The previous prime is 422621. The next prime is 422657. The reversal of 422627 is 726224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422627 - 2⁶ = 422563 is a prime.

It is a super-2 number, since 2×422627² = 357227162258, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2 + 6⁷ + 2¹³ + 2¹⁷ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (422621) 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, 211313 + 211314.

It is an arithmetic number, because the mean of its divisors is an integer number (211314).

2⁴²²⁶²⁷ is an apocalyptic number.

422627 is a deficient number, since it is larger than the sum of its proper divisors (1).

422627 is an equidigital number, since it uses as much as digits as its factorization.

422627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 422627 is about 650.0976849674. The cubic root of 422627 is about 75.0445365111.

The spelling of 422627 in words is "four hundred twenty-two thousand, six hundred twenty-seven".