221640241341414 has 16 divisors (see below), whose sum is σ = 506606265923328. Its totient is φ = 63325783240392.

The previous prime is 221640241341397. The next prime is 221640241341427. The reversal of 221640241341414 is 414143142046122.

It is a super-2 number, since 2×221640241341414² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638574301642 + ... + 2638574301725.

It is an arithmetic number, because the mean of its divisors is an integer number (31662891620208).

Almost surely, 2^{221640241341414} is an apocalyptic number.

221640241341414 is an abundant number, since it is smaller than the sum of its proper divisors (284966024581914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221640241341414 is a wasteful number, since it uses less digits than its factorization.

221640241341414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277148603379.

The product of its (nonzero) digits is 147456, while the sum is 39.

Adding to 221640241341414 its reverse (414143142046122), we get a palindrome (635783383387536).

The spelling of 221640241341414 in words is "two hundred twenty-one trillion, six hundred forty billion, two hundred forty-one million, three hundred forty-one thousand, four hundred fourteen".