2216421132 has 24 divisors (see below), whose sum is σ = 5297788272. Its totient is φ = 720787200.

The previous prime is 2216421073. The next prime is 2216421133. The reversal of 2216421132 is 2311246122.

It is a super-2 number, since 2×2216421132² = 9825045268752322848, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2216421133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251969 + ... + 2252952.

It is an arithmetic number, because the mean of its divisors is an integer number (220741178).

Almost surely, 2^2216421132 is an apocalyptic number.

It is an amenable number.

2216421132 is an abundant number, since it is smaller than the sum of its proper divisors (3081367140).

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

2216421132 is a wasteful number, since it uses less digits than its factorization.

2216421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504969 (or 4504967 counting only the distinct ones).

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

The square root of 2216421132 is about 47078.8820173122. The cubic root of 2216421132 is about 1303.8193658419.

Adding to 2216421132 its reverse (2311246122), we get a palindrome (4527667254).

The spelling of 2216421132 in words is "two billion, two hundred sixteen million, four hundred twenty-one thousand, one hundred thirty-two".