422012 has 6 divisors (see below), whose sum is σ = 738528. Its totient is φ = 211004.

The previous prime is 421997. The next prime is 422029. The reversal of 422012 is 210224.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 421984 and 422002.

It is a congruent number.

It is an unprimeable number.

422012 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 as a sum of consecutive naturals, namely, 52748 + ... + 52755.

It is an arithmetic number, because the mean of its divisors is an integer number (123088).

2⁴²²⁰¹² is an apocalyptic number.

It is an amenable number.

422012 is a deficient number, since it is larger than the sum of its proper divisors (316516).

422012 is a wasteful number, since it uses less digits than its factorization.

422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105507 (or 105505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 422012 is about 649.6245069269. The cubic root of 422012 is about 75.0081176399.

Adding to 422012 its reverse (210224), we get a palindrome (632236).

The spelling of 422012 in words is "four hundred twenty-two thousand, twelve", and thus it is an iban number.