221221440314 has 128 divisors (see below), whose sum is σ = 408079171584. Its totient is φ = 87966648000.

The previous prime is 221221440299. The next prime is 221221440353. The reversal of 221221440314 is 413044122122.

221221440314 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 63 ways as a sum of consecutive naturals, for example, 171356009 + ... + 171357299.

It is an arithmetic number, because the mean of its divisors is an integer number (3188118528).

Almost surely, 2^221221440314 is an apocalyptic number.

221221440314 is a deficient number, since it is larger than the sum of its proper divisors (186857731270).

221221440314 is a wasteful number, since it uses less digits than its factorization.

221221440314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 221221440314 its reverse (413044122122), we get a palindrome (634265562436).

The spelling of 221221440314 in words is "two hundred twenty-one billion, two hundred twenty-one million, four hundred forty thousand, three hundred fourteen".