221238574032 has 80 divisors (see below), whose sum is σ = 658323832832. Its totient is φ = 62713284480.

The previous prime is 221238574013. The next prime is 221238574033. The reversal of 221238574032 is 230475832122.

221238574032 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 (221238574033) 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, 2549644 + ... + 2634987.

Almost surely, 2^221238574032 is an apocalyptic number.

It is an amenable number.

221238574032 is an abundant number, since it is smaller than the sum of its proper divisors (437085258800).

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

221238574032 is a wasteful number, since it uses less digits than its factorization.

221238574032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184776 (or 5184770 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 221238574032 in words is "two hundred twenty-one billion, two hundred thirty-eight million, five hundred seventy-four thousand, thirty-two".