422630 has 16 divisors (see below), whose sum is σ = 819504. Its totient is φ = 156000.

The previous prime is 422627. The next prime is 422657. The reversal of 422630 is 36224.

It is a super-2 number, since 2×422630² = 357232233800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422599 and 422608.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422630.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1496 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (51219).

2⁴²²⁶³⁰ is an apocalyptic number.

422630 is a deficient number, since it is larger than the sum of its proper divisors (396874).

422630 is a wasteful number, since it uses less digits than its factorization.

422630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 422630 is about 650.0999923089. The cubic root of 422630 is about 75.0447140775.

Adding to 422630 its reverse (36224), we get a palindrome (458854).

The spelling of 422630 in words is "four hundred twenty-two thousand, six hundred thirty".