221554201414 has 48 divisors (see below), whose sum is σ = 411451695360. Its totient is φ = 87609206880.

The previous prime is 221554201381. The next prime is 221554201423. The reversal of 221554201414 is 414102455122.

221554201414 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 23 ways as a sum of consecutive naturals, for example, 5685007 + ... + 5723845.

It is an arithmetic number, because the mean of its divisors is an integer number (8571910320).

Almost surely, 2^221554201414 is an apocalyptic number.

221554201414 is a deficient number, since it is larger than the sum of its proper divisors (189897493946).

221554201414 is a wasteful number, since it uses less digits than its factorization.

221554201414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41285 (or 41272 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 221554201414 its reverse (414102455122), we get a palindrome (635656656536).

The spelling of 221554201414 in words is "two hundred twenty-one billion, five hundred fifty-four million, two hundred one thousand, four hundred fourteen".