2014430221 has 4 divisors (see below), whose sum is σ = 2014836444. Its totient is φ = 2014024000.

The previous prime is 2014430213. The next prime is 2014430239. The reversal of 2014430221 is 1220344102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1220344102 = 2 ⋅610172051.

It can be written as a sum of positive squares in 2 ways, for example, as 1589616900 + 424813321 = 39870^2 + 20611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2014430221 - 2³ = 2014430213 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 (2014430261) 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, 195580 + ... + 205621.

It is an arithmetic number, because the mean of its divisors is an integer number (503709111).

Almost surely, 2^2014430221 is an apocalyptic number.

It is an amenable number.

2014430221 is a deficient number, since it is larger than the sum of its proper divisors (406223).

2014430221 is an equidigital number, since it uses as much as digits as its factorization.

2014430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406222.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2014430221 is about 44882.4043585011. The cubic root of 2014430221 is about 1262.9439478609.

Adding to 2014430221 its reverse (1220344102), we get a palindrome (3234774323).

The spelling of 2014430221 in words is "two billion, fourteen million, four hundred thirty thousand, two hundred twenty-one".