422440212 has 12 divisors (see below), whose sum is σ = 985693856. Its totient is φ = 140813400.

The previous prime is 422440201. The next prime is 422440231. The reversal of 422440212 is 212044224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17601664 + ... + 17601687.

Almost surely, 2^422440212 is an apocalyptic number.

It is an amenable number.

422440212 is an abundant number, since it is smaller than the sum of its proper divisors (563253644).

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

422440212 is a wasteful number, since it uses less digits than its factorization.

422440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35203358 (or 35203356 counting only the distinct ones).

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

The square root of 422440212 is about 20553.3503838182. The cubic root of 422440212 is about 750.3347909755.

Adding to 422440212 its reverse (212044224), we get a palindrome (634484436).

The spelling of 422440212 in words is "four hundred twenty-two million, four hundred forty thousand, two hundred twelve".