422770 has 16 divisors (see below), whose sum is σ = 773568. Its totient is φ = 166320.

The previous prime is 422761. The next prime is 422789. The reversal of 422770 is 77224.

It is an unprimeable number.

422770 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 355 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (48348).

2⁴²²⁷⁷⁰ is an apocalyptic number.

422770 is a deficient number, since it is larger than the sum of its proper divisors (350798).

422770 is a wasteful number, since it uses less digits than its factorization.

422770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 422770 is about 650.2076591367. The cubic root of 422770 is about 75.0529995755.

Adding to 422770 its reverse (77224), we get a palindrome (499994).

The spelling of 422770 in words is "four hundred twenty-two thousand, seven hundred seventy", and thus it is an iban number.