221739854282 has 16 divisors (see below), whose sum is σ = 334084856352. Its totient is φ = 110378939760.

The previous prime is 221739854251. The next prime is 221739854299. The reversal of 221739854282 is 282458937122.

221739854282 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 456857 + ... + 807587.

It is an arithmetic number, because the mean of its divisors is an integer number (20880303522).

Almost surely, 2^221739854282 is an apocalyptic number.

221739854282 is a deficient number, since it is larger than the sum of its proper divisors (112345002070).

221739854282 is a wasteful number, since it uses less digits than its factorization.

221739854282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352133.

The product of its digits is 3870720, while the sum is 53.

The spelling of 221739854282 in words is "two hundred twenty-one billion, seven hundred thirty-nine million, eight hundred fifty-four thousand, two hundred eighty-two".