222222120201200 has 240 divisors, whose sum is σ = 646837143683904. Its totient is φ = 71621294899200.

The previous prime is 222222120201181. The next prime is 222222120201223. The reversal of 222222120201200 is 2102021222222.

It is a super-2 number, since 2×222222120201200² (a number of 29 digits) contains 22 as substring.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36236402 + ... + 41922798.

Almost surely, 2^{222222120201200} is an apocalyptic number.

222222120201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222222120201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323418571841952).

222222120201200 is an abundant number, since it is smaller than the sum of its proper divisors (424615023482704).

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

222222120201200 is a wasteful number, since it uses less digits than its factorization.

222222120201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687260 (or 5687249 counting only the distinct ones).

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

Adding to 222222120201200 its reverse (2102021222222), we get a palindrome (224324141423422).

The spelling of 222222120201200 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, two hundred one thousand, two hundred".