222000201221022 has 192 divisors, whose sum is σ = 568935877086720. Its totient is φ = 61238966761728.

The previous prime is 222000201221017. The next prime is 222000201221069. The reversal of 222000201221022 is 220122102000222.

222000201221022 is a `hidden beast` number, since 2 + 220 + 0 + 0 + 201 + 221 + 0 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222000201220986 and 222000201221004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 347760013 + ... + 348397799.

It is an arithmetic number, because the mean of its divisors is an integer number (2963207693160).

Almost surely, 2^{222000201221022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222000201221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284467938543360).

222000201221022 is an abundant number, since it is smaller than the sum of its proper divisors (346935675865698).

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

222000201221022 is a wasteful number, since it uses less digits than its factorization.

222000201221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638415 (or 638412 counting only the distinct ones).

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

Adding to 222000201221022 its reverse (220122102000222), we get a palindrome (442122303221244).

The spelling of 222000201221022 in words is "two hundred twenty-two trillion, two hundred one million, two hundred twenty-one thousand, twenty-two".