210201222 has 96 divisors (see below), whose sum is σ = 543838464. Its totient is φ = 52617600.

The previous prime is 210201203. The next prime is 210201223. The reversal of 210201222 is 222102012.

It is a junction number, because it is equal to n+sod(n) for n = 210201198 and 210201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388272 + ... + 388812.

It is an arithmetic number, because the mean of its divisors is an integer number (5664984).

Almost surely, 2^210201222 is an apocalyptic number.

210201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271919232).

210201222 is an abundant number, since it is smaller than the sum of its proper divisors (333637242).

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

210201222 is a wasteful number, since it uses less digits than its factorization.

210201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 210201222 is about 14498.3179024327. The cubic root of 210201222 is about 594.5819835380.

Adding to 210201222 its reverse (222102012), we get a palindrome (432303234).

It can be divided in two parts, 2102012 and 22, that multiplied together give a palindrome (46244264).

The spelling of 210201222 in words is "two hundred ten million, two hundred one thousand, two hundred twenty-two".