214414503221 has 4 divisors (see below), whose sum is σ = 214416230700. Its totient is φ = 214412775744.

The previous prime is 214414503209. The next prime is 214414503239. The reversal of 214414503221 is 122305414412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197123568196 + 17290935025 = 443986^2 + 131495^2 .

It is a cyclic number.

It is not a de Polignac number, because 214414503221 - 2²⁶ = 214347394357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214434503221) 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, 661826 + ... + 931043.

It is an arithmetic number, because the mean of its divisors is an integer number (53604057675).

Almost surely, 2^214414503221 is an apocalyptic number.

It is an amenable number.

214414503221 is a deficient number, since it is larger than the sum of its proper divisors (1727479).

214414503221 is a wasteful number, since it uses less digits than its factorization.

214414503221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727478.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 214414503221 its reverse (122305414412), we get a palindrome (336719917633).

The spelling of 214414503221 in words is "two hundred fourteen billion, four hundred fourteen million, five hundred three thousand, two hundred twenty-one".