221402041204 has 12 divisors (see below), whose sum is σ = 387456955200. Its totient is φ = 110700054008.

The previous prime is 221402041121. The next prime is 221402041207. The reversal of 221402041204 is 402140204122.

221402041204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221402041207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597507 + ... + 894325.

It is an arithmetic number, because the mean of its divisors is an integer number (32288079600).

Almost surely, 2^221402041204 is an apocalyptic number.

It is an amenable number.

221402041204 is a deficient number, since it is larger than the sum of its proper divisors (166054913996).

221402041204 is a wasteful number, since it uses less digits than its factorization.

221402041204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483302 (or 483300 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221402041204 its reverse (402140204122), we get a palindrome (623542245326).

The spelling of 221402041204 in words is "two hundred twenty-one billion, four hundred two million, forty-one thousand, two hundred four".