2222315221 has 16 divisors (see below), whose sum is σ = 2699948160. Its totient is φ = 1786708800.

The previous prime is 2222315219. The next prime is 2222315233. The reversal of 2222315221 is 1225132222.

It is a cyclic number.

It is not a de Polignac number, because 2222315221 - 2¹ = 2222315219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222315192 and 2222315201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222315261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69286 + ... + 96151.

It is an arithmetic number, because the mean of its divisors is an integer number (168746760).

Almost surely, 2^2222315221 is an apocalyptic number.

It is an amenable number.

2222315221 is a deficient number, since it is larger than the sum of its proper divisors (477632939).

2222315221 is a wasteful number, since it uses less digits than its factorization.

2222315221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165564.

The product of its digits is 960, while the sum is 22.

The square root of 2222315221 is about 47141.4384697794. The cubic root of 2222315221 is about 1304.9740840310.

Adding to 2222315221 its reverse (1225132222), we get a palindrome (3447447443).

The spelling of 2222315221 in words is "two billion, two hundred twenty-two million, three hundred fifteen thousand, two hundred twenty-one".