2216121324 has 24 divisors (see below), whose sum is σ = 5172570480. Its totient is φ = 738475584.

The previous prime is 2216121319. The next prime is 2216121353. The reversal of 2216121324 is 4231216122.

It is a super-2 number, since 2×2216121324² = 9822387445375025952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2216121294 and 2216121303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13422 + ... + 67914.

It is an arithmetic number, because the mean of its divisors is an integer number (215523770).

Almost surely, 2^2216121324 is an apocalyptic number.

It is an amenable number.

2216121324 is an abundant number, since it is smaller than the sum of its proper divisors (2956449156).

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

2216121324 is a wasteful number, since it uses less digits than its factorization.

2216121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57889 (or 57887 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2216121324 is about 47075.6978068302. The cubic root of 2216121324 is about 1303.7605754046.

Adding to 2216121324 its reverse (4231216122), we get a palindrome (6447337446).

The spelling of 2216121324 in words is "two billion, two hundred sixteen million, one hundred twenty-one thousand, three hundred twenty-four".