422214212 has 12 divisors (see below), whose sum is σ = 844428480. Its totient is φ = 180948936.

The previous prime is 422214211. The next prime is 422214223. The reversal of 422214212 is 212412224.

422214212 is an admirable number.

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

It is not an unprimeable number, because it can be changed into a prime (422214211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7539512 + ... + 7539567.

It is an arithmetic number, because the mean of its divisors is an integer number (70369040).

Almost surely, 2^422214212 is an apocalyptic number.

It is an amenable number.

422214212 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.

422214212 is a wasteful number, since it uses less digits than its factorization.

422214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079090 (or 15079088 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 422214212 is about 20547.8517611939. The cubic root of 422214212 is about 750.2009606668.

Adding to 422214212 its reverse (212412224), we get a palindrome (634626436).

The spelling of 422214212 in words is "four hundred twenty-two million, two hundred fourteen thousand, two hundred twelve".