422212012 has 24 divisors (see below), whose sum is σ = 788933376. Its totient is φ = 197229648.

The previous prime is 422211961. The next prime is 422212019. The reversal of 422212012 is 210212224.

It is not an unprimeable number, because it can be changed into a prime (422212019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49408 + ... + 57319.

It is an arithmetic number, because the mean of its divisors is an integer number (32872224).

Almost surely, 2^422212012 is an apocalyptic number.

It is an amenable number.

422212012 is a deficient number, since it is larger than the sum of its proper divisors (366721364).

422212012 is a wasteful number, since it uses less digits than its factorization.

422212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106797 (or 106795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 422212012 is about 20547.7982275474. The cubic root of 422212012 is about 750.1996576592.

Adding to 422212012 its reverse (210212224), we get a palindrome (632424236).

The spelling of 422212012 in words is "four hundred twenty-two million, two hundred twelve thousand, twelve".