2215423200 has 144 divisors (see below), whose sum is σ = 7226631216. Its totient is φ = 589516800.

The previous prime is 2215423163. The next prime is 2215423207. The reversal of 2215423200 is 23245122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215423207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1825794 + ... + 1827006.

It is an arithmetic number, because the mean of its divisors is an integer number (50184939).

Almost surely, 2^2215423200 is an apocalyptic number.

2215423200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215423200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3613315608).

2215423200 is an abundant number, since it is smaller than the sum of its proper divisors (5011208016).

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

2215423200 is a wasteful number, since it uses less digits than its factorization.

2215423200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2215423200 is about 47068.2823141019. The cubic root of 2215423200 is about 1303.6236571877.

Adding to 2215423200 its reverse (23245122), we get a palindrome (2238668322).

It can be divided in two parts, 22154 and 23200, that added together give a palindrome (45354).

The spelling of 2215423200 in words is "two billion, two hundred fifteen million, four hundred twenty-three thousand, two hundred".