2221414321 has 4 divisors (see below), whose sum is σ = 2538759232. Its totient is φ = 1904069412.

The previous prime is 2221414319. The next prime is 2221414333. The reversal of 2221414321 is 1234141222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2221414321 - 2¹ = 2221414319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221414292 and 2221414301.

It is not an unprimeable number, because it can be changed into a prime (2221414381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158672445 + ... + 158672458.

It is an arithmetic number, because the mean of its divisors is an integer number (634689808).

Almost surely, 2^2221414321 is an apocalyptic number.

It is an amenable number.

2221414321 is a deficient number, since it is larger than the sum of its proper divisors (317344911).

2221414321 is an equidigital number, since it uses as much as digits as its factorization.

2221414321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317344910.

The product of its digits is 768, while the sum is 22.

The square root of 2221414321 is about 47131.8822136354. The cubic root of 2221414321 is about 1304.7977199038.

Adding to 2221414321 its reverse (1234141222), we get a palindrome (3455555543).

The spelling of 2221414321 in words is "two billion, two hundred twenty-one million, four hundred fourteen thousand, three hundred twenty-one".