221186214314 has 8 divisors (see below), whose sum is σ = 357300807780. Its totient is φ = 102085945056.

The previous prime is 221186214299. The next prime is 221186214317. The reversal of 221186214314 is 413412681122.

It can be written as a sum of positive squares in 2 ways, for example, as 208533789025 + 12652425289 = 456655^2 + 112483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221186214317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253581019 + ... + 4253581070.

Almost surely, 2^221186214314 is an apocalyptic number.

221186214314 is a deficient number, since it is larger than the sum of its proper divisors (136114593466).

221186214314 is a wasteful number, since it uses less digits than its factorization.

221186214314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507162104.

The product of its digits is 18432, while the sum is 35.

Adding to 221186214314 its reverse (413412681122), we get a palindrome (634598895436).

The spelling of 221186214314 in words is "two hundred twenty-one billion, one hundred eighty-six million, two hundred fourteen thousand, three hundred fourteen".