222220201200 has 60 divisors (see below), whose sum is σ = 711845381688. Its totient is φ = 59258720000.

The previous prime is 222220201193. The next prime is 222220201201. The reversal of 222220201200 is 2102022222.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222220201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220201201) 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, 92590551 + ... + 92592950.

Almost surely, 2^222220201200 is an apocalyptic number.

222220201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220201200 is an abundant number, since it is smaller than the sum of its proper divisors (489625180488).

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

222220201200 is a wasteful number, since it uses less digits than its factorization.

222220201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185183522 (or 185183511 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222220201200 its reverse (2102022222), we get a palindrome (224322223422).

The spelling of 222220201200 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred one thousand, two hundred".