201222200 has 48 divisors (see below), whose sum is σ = 495370080. Its totient is φ = 75752960.

The previous prime is 201222191. The next prime is 201222211. The reversal of 201222200 is 2222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26192 + ... + 32991.

It is an arithmetic number, because the mean of its divisors is an integer number (10320210).

Almost surely, 2^201222200 is an apocalyptic number.

201222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222200 is an abundant number, since it is smaller than the sum of its proper divisors (294147880).

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

201222200 is a wasteful number, since it uses less digits than its factorization.

201222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59216 (or 59207 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 201222200 is about 14185.2811040176. The cubic root of 201222200 is about 585.9923741082.

Adding to 201222200 its reverse (2222102), we get a palindrome (203444302).

It can be divided in two parts, 20122 and 2200, that added together give a palindrome (22322).

The spelling of 201222200 in words is "two hundred one million, two hundred twenty-two thousand, two hundred".