222001102222200 has 288 divisors, whose sum is σ = 853163689341600. Its totient is φ = 50677462471680.

The previous prime is 222001102222183. The next prime is 222001102222241. The reversal of 222001102222200 is 2222201100222.

222001102222200 is a `hidden beast` number, since 2 + 220 + 0 + 1 + 1 + 0 + 222 + 220 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1656795 + ... + 21136394.

It is an arithmetic number, because the mean of its divisors is an integer number (2962373921325).

Almost surely, 2^{222001102222200} is an apocalyptic number.

222001102222200 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 222001102222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426581844670800).

222001102222200 is an abundant number, since it is smaller than the sum of its proper divisors (631162587119400).

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

222001102222200 is a wasteful number, since it uses less digits than its factorization.

222001102222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22793991 (or 22793979 counting only the distinct ones).

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

Adding to 222001102222200 its reverse (2222201100222), we get a palindrome (224223303322422).

It can be divided in two parts, 222001 and 102222200, that added together give a palindrome (102444201).

The spelling of 222001102222200 in words is "two hundred twenty-two trillion, one billion, one hundred two million, two hundred twenty-two thousand, two hundred".