221063244464 has 40 divisors (see below), whose sum is σ = 431348619600. Its totient is φ = 109748038400.

The previous prime is 221063244427. The next prime is 221063244469. The reversal of 221063244464 is 464442360122.

221063244464 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 (221063244469) 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 7 ways as a sum of consecutive naturals, for example, 6804419 + ... + 6836829.

It is an arithmetic number, because the mean of its divisors is an integer number (10783715490).

Almost surely, 2^221063244464 is an apocalyptic number.

It is an amenable number.

221063244464 is a deficient number, since it is larger than the sum of its proper divisors (210285375136).

221063244464 is a wasteful number, since it uses less digits than its factorization.

221063244464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35429 (or 35423 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 221063244464 in words is "two hundred twenty-one billion, sixty-three million, two hundred forty-four thousand, four hundred sixty-four".