2221421214 has 32 divisors (see below), whose sum is σ = 4687200000. Its totient is φ = 699922944.

The previous prime is 2221421177. The next prime is 2221421231. The reversal of 2221421214 is 4121241222.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29487 + ... + 72885.

It is an arithmetic number, because the mean of its divisors is an integer number (146475000).

Almost surely, 2^2221421214 is an apocalyptic number.

2221421214 is an abundant number, since it is smaller than the sum of its proper divisors (2465778786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221421214 is a wasteful number, since it uses less digits than its factorization.

2221421214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43872.

The product of its digits is 512, while the sum is 21.

The square root of 2221421214 is about 47131.9553381779. The cubic root of 2221421214 is about 1304.7990694886.

Adding to 2221421214 its reverse (4121241222), we get a palindrome (6342662436).

The spelling of 2221421214 in words is "two billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred fourteen".