2222214021200 has 30 divisors (see below), whose sum is σ = 5338869186894. Its totient is φ = 888885608320.

The previous prime is 2222214021199. The next prime is 2222214021257. The reversal of 2222214021200 is 21204122222.

It can be written as a sum of positive squares in 3 ways, for example, as 527645337664 + 1694568683536 = 726392^2 + 1301756^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2777767127 + ... + 2777767926.

Almost surely, 2^{2222214021200} is an apocalyptic number.

2222214021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222214021200 is an abundant number, since it is smaller than the sum of its proper divisors (3116655165694).

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

2222214021200 is a wasteful number, since it uses less digits than its factorization.

2222214021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555535071 (or 5555535060 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222214021200 its reverse (21204122222), we get a palindrome (2243418143422).

The spelling of 2222214021200 in words is "two trillion, two hundred twenty-two billion, two hundred fourteen million, twenty-one thousand, two hundred".