422502212 has 24 divisors (see below), whose sum is σ = 826271712. Its totient is φ = 187361600.

The previous prime is 422502211. The next prime is 422502257. The reversal of 422502212 is 212205224.

It is not an unprimeable number, because it can be changed into a prime (422502211) 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, 115298 + ... + 118905.

It is an arithmetic number, because the mean of its divisors is an integer number (34427988).

Almost surely, 2^422502212 is an apocalyptic number.

It is an amenable number.

422502212 is a deficient number, since it is larger than the sum of its proper divisors (403769500).

422502212 is a wasteful number, since it uses less digits than its factorization.

422502212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234259 (or 234257 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 422502212 is about 20554.8585983947. The cubic root of 422502212 is about 750.3714971413.

Adding to 422502212 its reverse (212205224), we get a palindrome (634707436).

The spelling of 422502212 in words is "four hundred twenty-two million, five hundred two thousand, two hundred twelve".