422105012 has 36 divisors (see below), whose sum is σ = 860523300. Its totient is φ = 180641664.

The previous prime is 422105009. The next prime is 422105029. The reversal of 422105012 is 210501224.

It can be written as a sum of positive squares in 2 ways, for example, as 310675876 + 111429136 = 17626^2 + 10556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204578 + ... + 206630.

It is an arithmetic number, because the mean of its divisors is an integer number (23903425).

Almost surely, 2^422105012 is an apocalyptic number.

It is an amenable number.

422105012 is an abundant number, since it is smaller than the sum of its proper divisors (438418288).

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

422105012 is a wasteful number, since it uses less digits than its factorization.

422105012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 422105012 is about 20545.1943772747. The cubic root of 422105012 is about 750.1362786434.

Adding to 422105012 its reverse (210501224), we get a palindrome (632606236).

The spelling of 422105012 in words is "four hundred twenty-two million, one hundred five thousand, twelve".