422706 has 8 divisors (see below), whose sum is σ = 845424. Its totient is φ = 140900.

The previous prime is 422701. The next prime is 422707. The reversal of 422706 is 607224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

422706 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422706.

It is not an unprimeable number, because it can be changed into a prime (422701) by changing a digit.

422706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35220 + ... + 35231.

It is an arithmetic number, because the mean of its divisors is an integer number (105678).

2⁴²²⁷⁰⁶ is an apocalyptic number.

422706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422706 is a wasteful number, since it uses less digits than its factorization.

422706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70456.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 422706 is about 650.1584422277. The cubic root of 422706 is about 75.0492121462.

It can be divided in two parts, 422 and 706, that added together give a triangular number (1128 = T₄₇).

The spelling of 422706 in words is "four hundred twenty-two thousand, seven hundred six".