221041004022 has 24 divisors (see below), whose sum is σ = 478933083720. Its totient is φ = 73678656480.

The previous prime is 221041004003. The next prime is 221041004029. The reversal of 221041004022 is 220400140122.

221041004022 is a `hidden beast` number, since 2 + 210 + 410 + 0 + 40 + 2 + 2 = 666.

221041004022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 221041003986 and 221041004004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221041004029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869122 + ... + 1094282.

It is an arithmetic number, because the mean of its divisors is an integer number (19955545155).

Almost surely, 2^221041004022 is an apocalyptic number.

221041004022 is an abundant number, since it is smaller than the sum of its proper divisors (257892079698).

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

221041004022 is a wasteful number, since it uses less digits than its factorization.

221041004022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279708 (or 279705 counting only the distinct ones).

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

Adding to 221041004022 its reverse (220400140122), we get a palindrome (441441144144).

The spelling of 221041004022 in words is "two hundred twenty-one billion, forty-one million, four thousand, twenty-two".