222211200002220 has 1152 divisors, whose sum is σ = 812689186563072. Its totient is φ = 48438344908800.

The previous prime is 222211200002171. The next prime is 222211200002293. The reversal of 222211200002220 is 22200002112222.

222211200002220 is a `hidden beast` number, since 22 + 221 + 1 + 200 + 0 + 0 + 2 + 220 = 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 = 222211200002193 and 222211200002202.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 66391154587 + ... + 66391157933.

It is an arithmetic number, because the mean of its divisors is an integer number (705459363336).

Almost surely, 2^{222211200002220} is an apocalyptic number.

222211200002220 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 222211200002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406344593281536).

222211200002220 is an abundant number, since it is smaller than the sum of its proper divisors (590477986560852).

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

222211200002220 is a wasteful number, since it uses less digits than its factorization.

222211200002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871 (or 3866 counting only the distinct ones).

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

Adding to 222211200002220 its reverse (22200002112222), we get a palindrome (244411202114442).

The spelling of 222211200002220 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred million, two thousand, two hundred twenty".