220001122020222 has 48 divisors (see below), whose sum is σ = 477781684930368. Its totient is φ = 73162544800320.

The previous prime is 220001122020181. The next prime is 220001122020233. The reversal of 220001122020222 is 222020221100022.

220001122020222 is a `hidden beast` number, since 2 + 200 + 0 + 1 + 1 + 220 + 20 + 222 = 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 = 220001122020195 and 220001122020204.

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 23 ways as a sum of consecutive naturals, for example, 737582388 + ... + 737880600.

It is an arithmetic number, because the mean of its divisors is an integer number (9953785102716).

Almost surely, 2^{220001122020222} is an apocalyptic number.

220001122020222 is an abundant number, since it is smaller than the sum of its proper divisors (257780562910146).

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

220001122020222 is a wasteful number, since it uses less digits than its factorization.

220001122020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393745 (or 393742 counting only the distinct ones).

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

Adding to 220001122020222 its reverse (222020221100022), we get a palindrome (442021343120244).

The spelling of 220001122020222 in words is "two hundred twenty trillion, one billion, one hundred twenty-two million, twenty thousand, two hundred twenty-two".