221540560552 has 16 divisors (see below), whose sum is σ = 415425679200. Its totient is φ = 110760379440.

The previous prime is 221540560541. The next prime is 221540560559. The reversal of 221540560552 is 255065045122.

221540560552 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 (221540560559) 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, 1142074 + ... + 1321897.

It is an arithmetic number, because the mean of its divisors is an integer number (25964104950).

Almost surely, 2^221540560552 is an apocalyptic number.

It is an amenable number.

221540560552 is a deficient number, since it is larger than the sum of its proper divisors (193885118648).

221540560552 is a wasteful number, since it uses less digits than its factorization.

221540560552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475216 (or 2475212 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 221540560552 in words is "two hundred twenty-one billion, five hundred forty million, five hundred sixty thousand, five hundred fifty-two".