214340022221 has 8 divisors (see below), whose sum is σ = 238787293080. Its totient is φ = 191029833792.

The previous prime is 214340022209. The next prime is 214340022227. The reversal of 214340022221 is 122220043412.

It can be written as a sum of positive squares in 4 ways, for example, as 52785062500 + 161554959721 = 229750^2 + 401939^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-214340022221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214340022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284270210 + ... + 284270963.

It is an arithmetic number, because the mean of its divisors is an integer number (29848411635).

Almost surely, 2^214340022221 is an apocalyptic number.

It is an amenable number.

214340022221 is a deficient number, since it is larger than the sum of its proper divisors (24447270859).

214340022221 is a wasteful number, since it uses less digits than its factorization.

214340022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568541215.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 214340022221 its reverse (122220043412), we get a palindrome (336560065633).

The spelling of 214340022221 in words is "two hundred fourteen billion, three hundred forty million, twenty-two thousand, two hundred twenty-one".