221301422432 has 24 divisors (see below), whose sum is σ = 435981056616. Its totient is φ = 110576074752.

The previous prime is 221301422389. The next prime is 221301422443. The reversal of 221301422432 is 234224103122.

221301422432 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 an unprimeable number.

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, 2284193 + ... + 2379104.

It is an arithmetic number, because the mean of its divisors is an integer number (18165877359).

Almost surely, 2^221301422432 is an apocalyptic number.

It is an amenable number.

221301422432 is a deficient number, since it is larger than the sum of its proper divisors (214679634184).

221301422432 is a wasteful number, since it uses less digits than its factorization.

221301422432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664790 (or 4664782 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221301422432 its reverse (234224103122), we get a palindrome (455525525554).

The spelling of 221301422432 in words is "two hundred twenty-one billion, three hundred one million, four hundred twenty-two thousand, four hundred thirty-two".