422389212 has 36 divisors (see below), whose sum is σ = 1146486600. Its totient is φ = 120682464.

The previous prime is 422389211. The next prime is 422389217. The reversal of 422389212 is 212983224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422389211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358587 + ... + 359762.

It is an arithmetic number, because the mean of its divisors is an integer number (31846850).

Almost surely, 2^422389212 is an apocalyptic number.

422389212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422389212 is an abundant number, since it is smaller than the sum of its proper divisors (724097388).

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

422389212 is a wasteful number, since it uses less digits than its factorization.

422389212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718370 (or 718361 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 422389212 is about 20552.1096727319. The cubic root of 422389212 is about 750.3045945017.

The spelling of 422389212 in words is "four hundred twenty-two million, three hundred eighty-nine thousand, two hundred twelve".