2212303400 has 96 divisors (see below), whose sum is σ = 5217791040. Its totient is φ = 872271360.

The previous prime is 2212303397. The next prime is 2212303403. The reversal of 2212303400 is 43032122.

It is an interprime number because it is at equal distance from previous prime (2212303397) and next prime (2212303403).

It is not an unprimeable number, because it can be changed into a prime (2212303403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7206047 + ... + 7206353.

It is an arithmetic number, because the mean of its divisors is an integer number (54351990).

Almost surely, 2^2212303400 is an apocalyptic number.

2212303400 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 2212303400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608895520).

2212303400 is an abundant number, since it is smaller than the sum of its proper divisors (3005487640).

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

2212303400 is a wasteful number, since it uses less digits than its factorization.

2212303400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2212303400 is about 47035.1294247183. The cubic root of 2212303400 is about 1303.0114407232.

Adding to 2212303400 its reverse (43032122), we get a palindrome (2255335522).

The spelling of 2212303400 in words is "two billion, two hundred twelve million, three hundred three thousand, four hundred".