203422212 has 96 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 55588896.

The previous prime is 203422169. The next prime is 203422213. The reversal of 203422212 is 212224302.

203422212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (203422213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11539 + ... + 23237.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2^203422212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203422212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).

203422212 is an abundant number, since it is smaller than the sum of its proper divisors (425569788).

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

203422212 is a wasteful number, since it uses less digits than its factorization.

203422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11742 (or 11734 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203422212 is about 14262.6158890997. The cubic root of 203422212 is about 588.1202378020.

Adding to 203422212 its reverse (212224302), we get a palindrome (415646514).

The spelling of 203422212 in words is "two hundred three million, four hundred twenty-two thousand, two hundred twelve".