422559 has 12 divisors (see below), whose sum is σ = 631800. Its totient is φ = 271824.

The previous prime is 422557. The next prime is 422563. The reversal of 422559 is 955224.

It is not a de Polignac number, because 422559 - 2¹ = 422557 is a prime.

It is a super-2 number, since 2×422559² = 357112216962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2⁴²²⁵⁵⁹ is an apocalyptic number.

422559 is a deficient number, since it is larger than the sum of its proper divisors (209241).

422559 is a wasteful number, since it uses less digits than its factorization.

422559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1651 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 422559 is about 650.0453830311. The cubic root of 422559 is about 75.0405114470.

It can be divided in two parts, 42 and 2559, that added together give a square (2601 = 51²).

The spelling of 422559 in words is "four hundred twenty-two thousand, five hundred fifty-nine".