222001220002200 has 96 divisors (see below), whose sum is σ = 689439337410960. Its totient is φ = 59094040998400.

The previous prime is 222001220002187. The next prime is 222001220002201. The reversal of 222001220002200 is 2200022100222.

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 222001220002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001220002201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331804071 + ... + 332472470.

Almost surely, 2^{222001220002200} is an apocalyptic number.

222001220002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001220002200 is an abundant number, since it is smaller than the sum of its proper divisors (467438117408760).

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

222001220002200 is a wasteful number, since it uses less digits than its factorization.

222001220002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664277117 (or 664277108 counting only the distinct ones).

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

Adding to 222001220002200 its reverse (2200022100222), we get a palindrome (224201242102422).

The spelling of 222001220002200 in words is "two hundred twenty-two trillion, one billion, two hundred twenty million, two thousand, two hundred".