422224212 has 12 divisors (see below), whose sum is σ = 985189856. Its totient is φ = 140741400.

The previous prime is 422224211. The next prime is 422224241. The reversal of 422224212 is 212422224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422224211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17592664 + ... + 17592687.

Almost surely, 2^422224212 is an apocalyptic number.

It is an amenable number.

422224212 is an abundant number, since it is smaller than the sum of its proper divisors (562965644).

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

422224212 is a wasteful number, since it uses less digits than its factorization.

422224212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185358 (or 35185356 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 422224212 is about 20548.0950941930. The cubic root of 422224212 is about 750.2068833716.

Adding to 422224212 its reverse (212422224), we get a palindrome (634646436).

The spelling of 422224212 in words is "four hundred twenty-two million, two hundred twenty-four thousand, two hundred twelve".