221416404324 has 48 divisors (see below), whose sum is σ = 570812635008. Its totient is φ = 66443795968.

The previous prime is 221416404323. The next prime is 221416404359. The reversal of 221416404324 is 423404614122.

221416404324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221416404323) 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 15 ways as a sum of consecutive naturals, for example, 23590407 + ... + 23599790.

It is an arithmetic number, because the mean of its divisors is an integer number (11891929896).

Almost surely, 2^221416404324 is an apocalyptic number.

It is an amenable number.

221416404324 is an abundant number, since it is smaller than the sum of its proper divisors (349396230684).

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

221416404324 is a wasteful number, since it uses less digits than its factorization.

221416404324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47190244 (or 47190242 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 221416404324 in words is "two hundred twenty-one billion, four hundred sixteen million, four hundred four thousand, three hundred twenty-four".