222200222120100 has 288 divisors, whose sum is σ = 816423405557760. Its totient is φ = 50785926549120.

The previous prime is 222200222120039. The next prime is 222200222120183. The reversal of 222200222120100 is 1021222002222.

222200222120100 is a `hidden beast` number, since 2 + 2 + 220 + 0 + 222 + 120 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 367246027 + ... + 367850573.

It is an arithmetic number, because the mean of its divisors is an integer number (2834803491520).

Almost surely, 2^{222200222120100} is an apocalyptic number.

222200222120100 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 222200222120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408211702778880).

222200222120100 is an abundant number, since it is smaller than the sum of its proper divisors (594223183437660).

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

222200222120100 is a wasteful number, since it uses less digits than its factorization.

222200222120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624024 (or 624011 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222200222120100 its reverse (1021222002222), we get a palindrome (223221444122322).

The spelling of 222200222120100 in words is "two hundred twenty-two trillion, two hundred billion, two hundred twenty-two million, one hundred twenty thousand, one hundred".