2216812824 has 48 divisors (see below), whose sum is σ = 6010636320. Its totient is φ = 738104640.

The previous prime is 2216812823. The next prime is 2216812879. The reversal of 2216812824 is 4282186122.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216812823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48694 + ... + 82490.

It is an arithmetic number, because the mean of its divisors is an integer number (125221590).

Almost surely, 2^2216812824 is an apocalyptic number.

2216812824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2216812824 is an abundant number, since it is smaller than the sum of its proper divisors (3793823496).

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

2216812824 is a wasteful number, since it uses less digits than its factorization.

2216812824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34720 (or 34713 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 2216812824 is about 47083.0417878879. The cubic root of 2216812824 is about 1303.8961661586.

Adding to 2216812824 its reverse (4282186122), we get a palindrome (6498998946).

The spelling of 2216812824 in words is "two billion, two hundred sixteen million, eight hundred twelve thousand, eight hundred twenty-four".